Derivative Financial Instruments - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016	Apr. 01, 2017
Derivative [Line Items]
Derivative assets subject to master netting arrangements	$ 0.1		$ 0.1		$ 4.7
Derivative liabilities subject to master netting arrangements	11.3		11.3		0.3
Net derivative liabilities after master netting arrangement	11.2		11.2		0.2
Net derivative asset after master netting arrangement					$ 4.5
Foreign Currency Gain (Loss) | Forward foreign currency exchange contracts | Not Designated as Hedging Instrument
Derivative [Line Items]
Net gains (losses) on undesignated derivative contracts	$ 36.6	$ 0.1	35.2	$ 0.3
Jimmy Cho PLC | Foreign Currency Gain (Loss) | Forward foreign currency exchange contracts | Not Designated as Hedging Instrument
Derivative [Line Items]
Net gains (losses) on undesignated derivative contracts			$ 36.7