Restructuring and Other Charges - Schedule of Restructuring and Related Costs (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]
Balance at March 31, 2018				$ 44.8
Additions charged to expense	[1]	$ 18.2	$ 22.0	29.5	$ 23.3
Balance at September 29, 2018		35.2		35.2
Retail Fleet Optimization Plan
Restructuring Cost and Reserve [Line Items]
Balance at March 31, 2018				44.8
Additions charged to expense		1.2	5.9	5.4	5.9
Balance sheet reclassifications				1.1
Payments				(16.1)
Balance at September 29, 2018		35.2		35.2
Severance and benefit costs | Retail Fleet Optimization Plan
Restructuring Cost and Reserve [Line Items]
Balance at March 31, 2018				0.2
Additions charged to expense			0.6	0.3	0.6
Balance sheet reclassifications				0.0
Payments				(0.1)
Balance at September 29, 2018		0.4		0.4
Lease-related costs | Retail Fleet Optimization Plan
Restructuring Cost and Reserve [Line Items]
Balance at March 31, 2018				44.6
Additions charged to expense			$ 5.3	5.1	$ 5.3
Balance sheet reclassifications				1.1
Payments				(16.0)
Balance at September 29, 2018		$ 34.8		$ 34.8

[1] Restructuring and other charges includes store closure costs recorded in connection with the Retail Fleet Optimization Plan and other restructuring initiatives, transition costs recorded in connection with the acquisition of Jimmy Choo Group Limited and transaction and transition costs recorded in connection with the Company’s agreement to acquire Gianni Versace S.p.A. (see Note 1, Note 4 and Note 9).