Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Apr. 01, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 28,367	$ 24,433	$ (9,177)
Unrealized (loss) gain on interest rate swap	(396)	(280)	296
Unrealized gain on post-retirement liability	0	1	2
Total other comprehensive (loss) income	(396)	(279)	298
Total comprehensive income (loss)	$ 27,971	$ 24,154	$ (8,879)