Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($) $ in Millions		12 Months Ended
		Apr. 02, 2022	Apr. 03, 2021	Mar. 28, 2020
Allowance for Doubtful Accounts [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		$ 0.4	$ 0.4	$ 0.6
Additions		1.4	0.2	0.7
Deductions		(0.1)	(0.2)	(0.9)
Balance at End of Period		1.7	0.4	0.4
Valuation Allowance for Deferred Taxes [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period		12.6	11.2	7.3
Additions		0.2	1.4	4.5
Deductions		(0.1)		(0.2)
Other	[1]			(0.4)
Balance at End of Period		$ 12.7	$ 12.6	$ 11.2

[1] Represents a decrease due to provision-to-return adjustments