Summary of Significant Accounting Policies (Details 4) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Sales Returns and Allowances [Member]
Rollforward of activity in the Company's allowance for doubtful accounts and its aggregate reserves for returns, discounts, end-of-season markdowns and operational chargebacks
Beginning reserve balance	$ 144.4	$ 126.3	$ 147.6	$ 143.1
Amount charged against revenue to increase reserve	146.7	128.2	251.9	223.0
Amount credited against customer accounts to decrease reserve	(113.4)	(102.3)	(228.0)	(212.9)
Foreign currency translation	(0.7)	4.1	5.5	3.1
Ending reserve balance	177.0	156.3	177.0	156.3
Allowance for Doubtful Accounts
Rollforward of activity in the Company's allowance for doubtful accounts and its aggregate reserves for returns, discounts, end-of-season markdowns and operational chargebacks
Beginning reserve balance	42.0	32.5	38.7	32.2
Amount recorded to expense to increase reserve	2.8	1.3	5.5	2.1
Amount credited against customer accounts to decrease reserve	(0.8)	(0.4)	(1.7)	(0.8)
Foreign currency translation	(0.4)	0.8	1.1	0.7
Ending reserve balance	$ 43.6	$ 34.2	$ 43.6	$ 34.2