Commitments, Contingencies and Legal Proceedings - Additional Information (Detail) - USD ($) $ in Millions	6 Months Ended
	Sep. 26, 2020	Mar. 28, 2020
Commitment And Contingencies [Line Items]
Reserve for estimated losses under repurchase agreements	$ 0.9	$ 1.0
Losses under repurchase obligations	$ 142.6
Guarantee obligations term	12 years
Letters of Credit [Member]
Commitment And Contingencies [Line Items]
Contingent obligation	$ 33.9
Long-term Debt [Member]
Commitment And Contingencies [Line Items]
Contingent obligation	12.6
Casualty Insurance Program [Member]
Commitment And Contingencies [Line Items]
Contingent obligation	21.0
Bonding Agreements [Member]
Commitment And Contingencies [Line Items]
Contingent obligation	0.3
Surety Bond [Member]
Commitment And Contingencies [Line Items]
Contingent obligation	$ 14.3