Condensed Consolidated Statements of Stockholder's' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Retained Earnings (Accumulated Deficit) [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Other Comprehensive Loss [Member]
Beginning balance at Mar. 30, 2019	$ 411,972		$ 1,569	$ 479,226	$ (58,208)		$ (10,615)
Beginning balance, shares at Mar. 30, 2019			56,657
Net income	52,162				52,162
Equity-based compensation	6,168			6,168
Net common stock issued under equity-based compensation plans	(2,022)		$ 1	(2,023)
Net common stock issued under equity-based compensation plans, shares			9
Foreign currency translation adjustments	917						917
Ending balance at Dec. 28, 2019	469,197		$ 1,570	483,371	(6,046)		(9,698)
Ending balance, shares at Dec. 28, 2019			56,666
Beginning balance at Sep. 28, 2019	450,150		$ 1,570	481,909	(23,083)		(10,246)
Beginning balance, shares at Sep. 28, 2019			56,665
Net income	17,037				17,037
Equity-based compensation	1,465			1,465
Net common stock issued under equity-based compensation plans	(3)			(3)
Net common stock issued under equity-based compensation plans, shares			1
Foreign currency translation adjustments	548						548
Ending balance at Dec. 28, 2019	469,197		$ 1,570	483,371	(6,046)		(9,698)
Ending balance, shares at Dec. 28, 2019			56,666
Beginning balance at Mar. 28, 2020	474,315	$ (245)	$ 1,570	485,552	(48)	$ (245)	(12,759)
Beginning balance, shares at Mar. 28, 2020			56,665
Net income	51,013				51,013
Equity-based compensation	$ 4,625			4,625
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member
Net common stock issued under equity-based compensation plans	$ (1,620)		$ (1)	(1,619)
Net common stock issued under equity-based compensation plans, shares			(27)
Foreign currency translation adjustments	4,107						4,107
Ending balance at Dec. 26, 2020	532,195		$ 1,569	488,558	50,720		(8,652)
Ending balance, shares at Dec. 26, 2020			56,638
Beginning balance at Sep. 26, 2020	507,444		$ 1,569	487,557	29,121		(10,803)
Beginning balance, shares at Sep. 26, 2020			56,638
Net income	21,599				21,599
Equity-based compensation	1,001			1,001
Foreign currency translation adjustments	2,151						2,151
Ending balance at Dec. 26, 2020	$ 532,195		$ 1,569	$ 488,558	$ 50,720		$ (8,652)
Ending balance, shares at Dec. 26, 2020			56,638