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v3.19.3.a.u2

Change in Accounting Principle - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 30, 2018 | Nov. 30, 2018
Cost of Sales |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Effect of change in accounting principle | $ 44.2 | $ 88.9
Selling, General and Administrative Expenses |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Effect of change in accounting principle | $ (44.2) | $ (88.9)

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- Details
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