Other Current Liabilities - Schedule of Other Current Liabilities (Detail) - USD ($) $ in Thousands	Dec. 29, 2018	Mar. 31, 2018	Dec. 30, 2017
Other Liabilities Disclosure [Abstract]
Customer deposits and receipts in excess of revenues	$ 27,540	$ 24,557
Accrued volume rebates	22,259	17,037
Accrued warranty obligations	17,366	12,530	$ 12,409
Accrued compensation and payroll taxes	25,051	24,100
Accrued insurance	16,934	11,112
Other	13,679	10,776
Total other current liabilities	$ 122,829	$ 100,112