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Income Taxes - Deferred Income Taxes - Undistributed Earnings - Narrative (Detail) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Jan. 31, 2016
Feb. 01, 2015
May. 03, 2015
Income Tax Disclosure [Abstract]      
Deferred tax liability, undistributed earnings from foreign subsidiaries $ 3.3 $ 2.4 $ 1.7
U.S. income and foreign withholding taxes 37.3 32.1 32.4
U.S. foreign income tax credits 34.0 29.7 30.7
Undistributed earnings from our foreign subsidiaries that will not be reinvested indefinitely $ 100.9 $ 82.4 $ 85.2