CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income/(Loss)
Balance (in shares) at Mar. 30, 2019		51,020
Balance at Mar. 30, 2019	$ 667,868	$ 510	$ 536,320	$ 161,418	$ (30,380)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee stock purchase plan (in shares)		25
Employee stock purchase plan	1,830	$ 0	1,830
Exercise of stock options (in shares)		85
Exercise of stock options	3,635	$ 1	3,634
Shares repurchased (in shares)		(616)
Shares repurchased	(75,000)	$ (6)	(21,473)	(53,521)
Issuance of restricted stock, net of cancellations (in shares)		257
Issuance of restricted stock, net of cancellations	0	$ 3	(3)
Share-based compensation expense	4,730		4,730
Net income	(8,479)			(8,479)
Other comprehensive income (loss)	(3,618)				(3,618)
Balance (in shares) at Jun. 29, 2019		50,771
Balance at Jun. 29, 2019	590,966	$ 508	525,038	99,418	(33,998)
Balance (in shares) at Mar. 30, 2019		51,020
Balance at Mar. 30, 2019	667,868	$ 510	536,320	161,418	(30,380)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	29,007
Balance (in shares) at Sep. 28, 2019		50,608
Balance at Sep. 28, 2019	583,754	$ 506	533,720	85,634	(36,106)
Balance (in shares) at Jun. 29, 2019		50,771
Balance at Jun. 29, 2019	590,966	$ 508	525,038	99,418	(33,998)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		64
Exercise of stock options	2,410	$ 1	2,409
Shares repurchased (in shares)		(360)
Shares repurchased	(50,000)	$ (4)	1,274	(51,270)
Issuance of restricted stock, net of cancellations (in shares)		133
Issuance of restricted stock, net of cancellations	0	$ 1	(1)
Share-based compensation expense	5,000		5,000
Net income	37,486			37,486
Other comprehensive income (loss)	(2,108)				(2,108)
Balance (in shares) at Sep. 28, 2019		50,608
Balance at Sep. 28, 2019	583,754	$ 506	533,720	85,634	(36,106)
Balance (in shares) at Mar. 28, 2020		50,323
Balance at Mar. 28, 2020	587,109	$ 503	553,229	78,512	(45,135)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee stock purchase plan (in shares)		22
Employee stock purchase plan	2,144		2,144
Exercise of stock options (in shares)		28
Exercise of stock options	1,193	$ 1	1,192
Issuance of restricted stock, net of cancellations (in shares)		298
Issuance of restricted stock, net of cancellations	0	$ 3	(3)
Share-based compensation expense	6,167		6,167
Net income	10,527			10,527
Other comprehensive income (loss)	1,429				1,429
Balance (in shares) at Jun. 27, 2020		50,671
Balance at Jun. 27, 2020	608,569	$ 507	562,729	89,039	(43,706)
Balance (in shares) at Mar. 28, 2020		50,323
Balance at Mar. 28, 2020	587,109	$ 503	553,229	78,512	(45,135)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	58,628
Other comprehensive income (loss)	6,663
Balance (in shares) at Sep. 26, 2020		50,703
Balance at Sep. 26, 2020	667,923	$ 507	568,748	137,140	(38,472)
Balance (in shares) at Jun. 27, 2020		50,671
Balance at Jun. 27, 2020	608,569	$ 507	562,729	89,039	(43,706)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		2
Exercise of stock options	67	$ 0	67
Issuance of restricted stock, net of cancellations (in shares)		30
Issuance of restricted stock, net of cancellations	0	$ 0	0
Share-based compensation expense	5,952		5,952
Net income	48,101			48,101
Other comprehensive income (loss)	5,234				5,234
Balance (in shares) at Sep. 26, 2020		50,703
Balance at Sep. 26, 2020	$ 667,923	$ 507	$ 568,748	$ 137,140	$ (38,472)