Consolidated Statements of Stockholders' Equity and Redeemable Noncontrolling Interest Statement - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjustment	Treasury Stock	Treasury Stock Cumulative Effect, Period of Adoption, Adjustment	Additional paid-in capital	Additional paid-in capital Cumulative Effect, Period of Adoption, Adjustment	Retained earnings	Retained earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated other comprehensive income (loss)	Accumulated other comprehensive income (loss) Cumulative Effect, Period of Adoption, Adjustment
Beginning balance, common stock, shares at Mar. 31, 2018			9,044,858
Beginning balance at Mar. 31, 2018	$ 457,106		$ 90		$ 0		$ 246,197		$ 209,381		$ 1,438
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	68,622		0		0		0		68,622		0
Other comprehensive income, net	155		$ 0		0		0		0		155
Issuance of common stock under stock incentive plans, shares			53,462
Issuance of common stock under stock incentive plans, value	(114)		$ 1		0		(115)		0		0
Stock-based compensation	3,365		$ 0		0		3,365		0		0
Ending balance, common stock, shares at Mar. 30, 2019			9,098,320
Ending balance at Mar. 30, 2019	529,588		$ 91		0		249,447		280,078		(28)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting principle | Accounting Standards Update 2016-01	0		0		0		0		1,621		(1,621)
Cumulative effect of change in accounting principle | ASC 606	454		0		0		0		454		0
Net income	75,066		0		0		0		75,066		0
Other comprehensive income, net	118		$ 0		0		0		0		118
Issuance of common stock under stock incentive plans, shares			74,922
Issuance of common stock under stock incentive plans, value	(1,067)		$ 1		0		(1,068)		0		0
Stock-based compensation	3,881		$ 0		0		3,881		0		0
Ending balance, common stock, shares at Mar. 28, 2020			9,173,242
Ending balance at Mar. 28, 2020	607,586		$ 92		0		252,260		355,144		90
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting principle	355,144
Cumulative effect of change in accounting principle | Accounting Standards Update 2016-13		$ (733)		$ 0		$ 0		$ 0		$ (733)		$ 0
Net income	76,646		0		0		0		76,646		0
Other comprehensive income, net	7		$ 0		0		0		0		7
Issuance of common stock under stock incentive plans, shares			68,014
Issuance of common stock under stock incentive plans, value	(2,817)		$ 0		0		(2,817)		0		0
Stock-based compensation	4,392		0		0		4,392		0		0
Common stock repurchases	(1,441)		$ 0		1,441		0		0		0
Ending balance, common stock, shares at Apr. 03, 2021			9,241,256
Ending balance at Apr. 03, 2021	683,640		$ 92		$ (1,441)		$ 253,835		$ 431,057		$ 97
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting principle	$ 431,057