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McKesson Corp. (NYSE:MCK)

This company has been moved to the archive! The financial data has not been updated since October 27, 2016.

DuPont Analysis: Disaggregation of ROE, ROA, and Net Profit Margin

Microsoft Excel

Two-Component Disaggregation of ROE

McKesson Corp., decomposition of ROE

Microsoft Excel
ROE = ROA × Financial Leverage
Mar 31, 2016 25.30% = 3.99% × 6.34
Mar 31, 2015 18.45% = 2.74% × 6.73
Mar 31, 2014 14.82% = 2.44% × 6.07
Mar 31, 2013 18.93% = 3.85% × 4.92
Mar 31, 2012 20.54% = 4.24% × 4.84
Mar 31, 2011 16.65% = 3.89% × 4.28

Based on: 10-K (reporting date: 2016-03-31), 10-K (reporting date: 2015-03-31), 10-K (reporting date: 2014-03-31), 10-K (reporting date: 2013-03-31), 10-K (reporting date: 2012-03-31), 10-K (reporting date: 2011-03-31).


Return on Equity (ROE) exhibited significant volatility between 2011 and 2016, starting at 16.65% and reaching a peak of 25.30% by the end of the period. A notable contraction occurred in 2014, where ROE declined to 14.82%, followed by a consistent and sharp recovery over the subsequent two years.

Asset Productivity (ROA)
Return on Assets (ROA) followed a trajectory closely aligned with ROE, peaking at 4.24% in 2012 before declining to a period low of 2.44% in 2014. The recovery to 3.99% by 2016 indicates a restoration of asset efficiency and earning power relative to the total asset base.
Financial Leverage Trends
A sustained upward trend in financial leverage was observed from 2011 to 2015, with the ratio increasing from 4.28 to a peak of 6.73. This suggests an increasing reliance on debt to amplify returns. A slight moderation to 6.34 occurred in 2016, although the leverage remained substantially elevated compared to the beginning of the analyzed period.
DuPont Disaggregation Insights
The interaction between asset efficiency and leverage reveals that the company utilized financial gearing to stabilize and enhance equity returns. In 2014, the significant drop in ROA was partially mitigated by an increase in financial leverage to 6.07, which prevented a more severe collapse in ROE. The peak ROE of 25.30% in 2016 was driven by the simultaneous occurrence of a recovered ROA and a high leverage multiplier, demonstrating that the growth in equity returns was fueled by both operational recovery and aggressive financial structuring.

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Three-Component Disaggregation of ROE

McKesson Corp., decomposition of ROE

Microsoft Excel
ROE = Net Profit Margin × Asset Turnover × Financial Leverage
Mar 31, 2016 25.30% = 1.18% × 3.37 × 6.34
Mar 31, 2015 18.45% = 0.82% × 3.32 × 6.73
Mar 31, 2014 14.82% = 0.92% × 2.66 × 6.07
Mar 31, 2013 18.93% = 1.09% × 3.52 × 4.92
Mar 31, 2012 20.54% = 1.14% × 3.71 × 4.84
Mar 31, 2011 16.65% = 1.07% × 3.63 × 4.28

Based on: 10-K (reporting date: 2016-03-31), 10-K (reporting date: 2015-03-31), 10-K (reporting date: 2014-03-31), 10-K (reporting date: 2013-03-31), 10-K (reporting date: 2012-03-31), 10-K (reporting date: 2011-03-31).


The Return on Equity (ROE) exhibited significant volatility between 2011 and 2016, fluctuating from 16.65% to a peak of 25.30%. The analysis of the three DuPont components reveals that ROE growth was primarily driven by increased financial leverage rather than improvements in operational profitability or asset efficiency.

Net Profit Margin
Profitability remained consistently thin throughout the analyzed period, with margins ranging between 0.82% and 1.18%. A contraction is observed from 2012 to 2015, where the margin declined from 1.14% to its lowest point of 0.82%. A recovery occurred in 2016, reaching a period high of 1.18%. The narrow range of these values suggests that net profit margin had a limited impact on the overall variance of ROE.
Asset Turnover
Asset efficiency showed a general downward trend, declining from 3.63 in 2011 to 3.37 in 2016. A notable sharp decline occurred in 2014, where the ratio dropped to 2.66. Although the ratio recovered to 3.32 in 2015, it remained below the levels seen in the first three years of the period, indicating a decrease in the effectiveness of asset utilization to generate sales.
Financial Leverage
A steady and significant increase in financial leverage is observed, rising from 4.28 in 2011 to a peak of 6.73 in 2015, before slightly moderating to 6.34 in 2016. This consistent upward trend indicates an increased reliance on debt to finance the asset base, which served as the primary catalyst for the amplification of ROE.
Return on Equity Synthesis
The overall ROE trajectory was heavily influenced by the interaction of these three factors. The dip to 14.82% in 2014 was the result of a simultaneous decline in both net profit margin and asset turnover, which offset the increase in financial leverage. The subsequent surge to 25.30% in 2016 was driven by a recovery in profit margins combined with sustained high leverage, demonstrating that the company's equity returns became increasingly dependent on financial engineering rather than operational gains.

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Five-Component Disaggregation of ROE

McKesson Corp., decomposition of ROE

Microsoft Excel
ROE = Tax Burden × Interest Burden × EBIT Margin × Asset Turnover × Financial Leverage
Mar 31, 2016 25.30% = 0.71 × 0.90 × 1.84% × 3.37 × 6.34
Mar 31, 2015 18.45% = 0.64 × 0.86 × 1.49% × 3.32 × 6.73
Mar 31, 2014 14.82% = 0.63 × 0.87 × 1.68% × 2.66 × 6.07
Mar 31, 2013 18.93% = 0.70 × 0.89 × 1.76% × 3.52 × 4.92
Mar 31, 2012 20.54% = 0.73 × 0.88 × 1.77% × 3.71 × 4.84
Mar 31, 2011 16.65% = 0.70 × 0.88 × 1.72% × 3.63 × 4.28

Based on: 10-K (reporting date: 2016-03-31), 10-K (reporting date: 2015-03-31), 10-K (reporting date: 2014-03-31), 10-K (reporting date: 2013-03-31), 10-K (reporting date: 2012-03-31), 10-K (reporting date: 2011-03-31).


The Return on Equity (ROE) for the period between March 31, 2011, and March 31, 2016, exhibits a general upward trajectory, despite intermittent volatility. ROE grew from 16.65% in 2011 to a peak of 25.30% in 2016. An analysis of the five-component DuPont disaggregation reveals that this growth was primarily driven by increased financial leverage rather than significant improvements in operating margins or tax efficiency.

Financial Leverage
A consistent and significant upward trend in financial leverage is observed, rising from 4.28 in 2011 to 6.34 in 2016, with a peak of 6.73 in 2015. This indicates an increased reliance on debt to finance assets, which served as the primary catalyst for the amplification of ROE over the six-year period.
Asset Turnover
Asset utilization remained high throughout the period, although it experienced a notable contraction in 2014, dropping to 2.66 before recovering to 3.37 by 2016. The general stability of this ratio suggests a consistent ability to generate sales relative to the asset base, typical of high-volume distribution models.
EBIT Margin
Operating profitability remained thin and relatively stable, fluctuating within a narrow band between 1.49% and 1.84%. The margin reached its lowest point in 2015 before rebounding to its period high in 2016, indicating that operating efficiency provided minimal contribution to the overall growth in equity returns.
Interest Burden
The interest burden remained remarkably stable, fluctuating slightly between 0.86 and 0.90. This suggests that interest expenses were managed consistently relative to operating income, maintaining a steady proportion of EBIT available to shareholders.
Tax Burden
Tax efficiency showed moderate volatility, with the ratio ranging from a low of 0.63 in 2014 to a high of 0.73 in 2012. While these fluctuations impacted annual ROE, they did not establish a long-term trend that contributed to the overall increase in shareholder returns.

In summary, the expansion of ROE from 16.65% to 25.30% was not the result of operational expansion or margin improvement, but was instead driven by a strategic increase in financial leverage. The combination of thin margins and high asset turnover suggests a business model dependent on volume and financial engineering to drive equity returns.

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Two-Component Disaggregation of ROA

McKesson Corp., decomposition of ROA

Microsoft Excel
ROA = Net Profit Margin × Asset Turnover
Mar 31, 2016 3.99% = 1.18% × 3.37
Mar 31, 2015 2.74% = 0.82% × 3.32
Mar 31, 2014 2.44% = 0.92% × 2.66
Mar 31, 2013 3.85% = 1.09% × 3.52
Mar 31, 2012 4.24% = 1.14% × 3.71
Mar 31, 2011 3.89% = 1.07% × 3.63

Based on: 10-K (reporting date: 2016-03-31), 10-K (reporting date: 2015-03-31), 10-K (reporting date: 2014-03-31), 10-K (reporting date: 2013-03-31), 10-K (reporting date: 2012-03-31), 10-K (reporting date: 2011-03-31).


The Return on Assets (ROA) exhibited a volatile trend between 2011 and 2016, characterized by a peak in 2012 and a significant contraction in 2014. The fluctuations in ROA are attributable to the combined movements of net profit margins and asset turnover efficiency.

Net Profit Margin Trends
Profit margins remained consistently low, reflecting a high-volume, low-margin operational model. A downward trend was observed from 2012, where margins stood at 1.14%, reaching a period low of 0.82% in 2015. This decline was reversed in 2016, with the margin expanding to 1.18%, the highest value in the analyzed period.
Asset Turnover Performance
Asset utilization showed notable instability. After peaking at 3.71 in 2012, the turnover ratio declined sharply to 2.66 in 2014, indicating a temporary decrease in the efficiency with which assets were used to generate sales. A recovery phase followed, with the ratio improving to 3.37 by March 31, 2016.
ROA Disaggregation Synthesis
The trough in ROA observed in 2014 (2.44%) was the result of a simultaneous decline in both the net profit margin and asset turnover. The subsequent recovery of ROA to 3.99% in 2016 was driven by a dual improvement in both components, suggesting a synchronized recovery in operational profitability and asset management efficiency.

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Four-Component Disaggregation of ROA

McKesson Corp., decomposition of ROA

Microsoft Excel
ROA = Tax Burden × Interest Burden × EBIT Margin × Asset Turnover
Mar 31, 2016 3.99% = 0.71 × 0.90 × 1.84% × 3.37
Mar 31, 2015 2.74% = 0.64 × 0.86 × 1.49% × 3.32
Mar 31, 2014 2.44% = 0.63 × 0.87 × 1.68% × 2.66
Mar 31, 2013 3.85% = 0.70 × 0.89 × 1.76% × 3.52
Mar 31, 2012 4.24% = 0.73 × 0.88 × 1.77% × 3.71
Mar 31, 2011 3.89% = 0.70 × 0.88 × 1.72% × 3.63

Based on: 10-K (reporting date: 2016-03-31), 10-K (reporting date: 2015-03-31), 10-K (reporting date: 2014-03-31), 10-K (reporting date: 2013-03-31), 10-K (reporting date: 2012-03-31), 10-K (reporting date: 2011-03-31).


The Return on Assets (ROA) exhibited a fluctuating trend between 2011 and 2016, characterized by a peak in 2012 at 4.24% and a significant trough in 2014 at 2.44%. The recovery observed by 2016, where ROA returned to 3.99%, suggests a stabilization and subsequent improvement in the underlying components of profitability and asset efficiency.

Asset Turnover
Asset turnover acted as a primary driver of the observed volatility in ROA. A notable contraction occurred in 2014, when the ratio declined to 2.66, coinciding with the lowest ROA of the period. The subsequent recovery to 3.37 by 2016 indicates a restoration of efficiency in generating revenue from the asset base.
EBIT Margin
Operating profitability remained consistently thin throughout the period, with margins fluctuating between 1.49% and 1.84%. A dip to 1.49% in 2015 was followed by a six-year peak of 1.84% in 2016, contributing positively to the overall recovery in net returns.
Interest Burden
The interest burden remained remarkably stable, ranging narrowly between 0.86 and 0.90. This consistency indicates that debt servicing costs remained proportional to operating income, suggesting a stable capital structure over the six-year duration.
Tax Burden
The tax burden showed moderate variability, peaking at 0.73 in 2012 and reaching a low of 0.63 in 2014. The reduction in the tax burden ratio during 2014 and 2015 indicates a higher effective tax impact, which exerted additional downward pressure on the net ROA during those years.

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Disaggregation of Net Profit Margin

McKesson Corp., decomposition of net profit margin ratio

Microsoft Excel
Net Profit Margin = Tax Burden × Interest Burden × EBIT Margin
Mar 31, 2016 1.18% = 0.71 × 0.90 × 1.84%
Mar 31, 2015 0.82% = 0.64 × 0.86 × 1.49%
Mar 31, 2014 0.92% = 0.63 × 0.87 × 1.68%
Mar 31, 2013 1.09% = 0.70 × 0.89 × 1.76%
Mar 31, 2012 1.14% = 0.73 × 0.88 × 1.77%
Mar 31, 2011 1.07% = 0.70 × 0.88 × 1.72%

Based on: 10-K (reporting date: 2016-03-31), 10-K (reporting date: 2015-03-31), 10-K (reporting date: 2014-03-31), 10-K (reporting date: 2013-03-31), 10-K (reporting date: 2012-03-31), 10-K (reporting date: 2011-03-31).


The analysis of the disaggregated net profit margin reveals a period of moderate volatility between 2011 and 2016, characterized by a contraction in profitability during the 2014 and 2015 fiscal years followed by a significant recovery in 2016.

Net Profit Margin
The net profit margin exhibited a fluctuating trend, starting at 1.07% in 2011 and peaking at 1.18% in 2016. A notable decline occurred between 2013 and 2015, with the margin reaching a low of 0.82% in 2015 before rebounding sharply in the final year of the period.
EBIT Margin
Operating profitability remained relatively stable during the early part of the period, hovering around 1.72% to 1.77%. A downward trend emerged in 2014 and 2015, bottoming at 1.49%, which served as a primary driver for the overall compression of the net profit margin. However, the margin recovered strongly to 1.84% by 2016, indicating an improvement in operational efficiency.
Tax Burden
The tax burden ratio showed significant variability, impacting the conversion of operating profit to net income. The ratio decreased from 0.70 in 2011 to a low of 0.63 in 2014 and 0.64 in 2015, suggesting an increase in the effective tax rate during those years. The ratio recovered to 0.71 by 2016, contributing positively to the net profit recovery.
Interest Burden
The interest burden remained the most stable component of the disaggregation, fluctuating within a narrow range between 0.86 and 0.90. This stability indicates that interest expenses relative to earnings before interest and taxes remained consistent throughout the six-year period, with a slight improvement in the burden ratio to 0.90 in 2016.

The synchronization of the declines in the EBIT margin and the tax burden ratio between 2014 and 2015 created a compounding negative effect on the net profit margin. The subsequent recovery in 2016 was driven by simultaneous improvements across all three components: operating margins, tax efficiency, and interest coverage.

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