Accrued Warranty Obligations - Summary of Changes in Accrued Product Warranty Obligations (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 29, 2018	Dec. 30, 2017	Mar. 31, 2018
Guarantees And Product Warranties [Abstract]
Balance at the beginning of the period	$ 22,871	$ 15,068	$ 15,430	$ 14,534
Warranty assumed in the Exchange			6,259
Warranty expense	9,167	5,825	25,834	17,441
Cash warranty payments	(8,972)	(5,884)	(24,457)	(16,966)
Balance at end of period	23,066	15,009	23,066	15,009
Less noncurrent portion in other long-term liabilities	5,700	2,600	5,700	2,600
Total current portion	$ 17,366	$ 12,409	$ 17,366	$ 12,409	$ 12,530