Leases - Schedule of Operating Lease Assets Included in Condensed Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 26, 2020	Mar. 28, 2020
Leases [Abstract]
Right-of-use assets under operating leases, Other long-term assets	$ 12,515	$ 14,808
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsNoncurrent	us-gaap:OtherAssetsNoncurrent
Other current liabilities	$ 4,305	$ 4,789
Other long-term liabilities	8,210	10,019
Total lease obligation	$ 12,515	$ 14,808