Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income / (Loss) [Member]	Retained Earnings (Accumulated Deficit) [Member]	Treasury Stock [Member]	Total
Balance at beginning at Apr. 02, 2016	$ 241	$ 279,420	$ (6,990)	$ 378,070	$ (29,794)	$ 620,947
Balance at beginning (in shares) at Apr. 02, 2016	24,146,767				(603,035)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				70,623		70,623
Share-based compensation		12,111				12,111
Repurchase of common stock					$ (4,754)	(4,754)
Repurchase of common stock (in shares)					(64,896)
Exercise of equity awards	$ 7	16,163				16,170
Exercise of equity awards (in shares)	456,826
Change in net prior service cost and actuarial losses, net of taxes of$101, $415, $782 for year ended 2019, 2018 and 2017 respectively			1,331			1,331
Issuance of restricted stock
Issuance of restricted stock (in shares)	154,210
Income tax benefit on exercise of non-qualified common stock options		4,780				4,780
Currency translation adjustments			(4,164)			(4,164)
Balance at end at Apr. 01, 2017	$ 248	312,474	(9,823)	448,693	$ (34,548)	717,044
Balance at end (in shares) at Apr. 01, 2017	24,757,803				(667,931)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				87,141		87,141
Share-based compensation		13,403				13,403
Repurchase of common stock					$ (4,992)	(4,992)
Repurchase of common stock (in shares)					(45,756)
Exercise of equity awards	$ 3	13,271				13,274
Exercise of equity awards (in shares)	255,732
Change in net prior service cost and actuarial losses, net of taxes of$101, $415, $782 for year ended 2019, 2018 and 2017 respectively			1,383			1,383
Issuance of restricted stock
Issuance of restricted stock (in shares)	110,159
Impact from adoption of ASU 2014-09 and 2016-09				1,144		1,144
Currency translation adjustments			6,155			6,155
Balance at end at Mar. 31, 2018	$ 251	339,148	(2,285)	536,978	$ (39,540)	834,552
Balance at end (in shares) at Mar. 31, 2018	25,123,694				(713,687)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				105,193		105,193
Share-based compensation		16,087				16,087
Repurchase of common stock					$ (5,232)	(5,232)
Repurchase of common stock (in shares)					(39,226)
Exercise of equity awards	$ 5	23,266				23,271
Exercise of equity awards (in shares)	352,552
Change in net prior service cost and actuarial losses, net of taxes of$101, $415, $782 for year ended 2019, 2018 and 2017 respectively			332			332
Issuance of restricted stock
Issuance of restricted stock (in shares)	130,950
Other		154				154
Impact from adoption of ASU 2014-09 and 2016-09				(277)		(277)
Currency translation adjustments			(5,514)			(5,514)
Balance at end at Mar. 30, 2019	$ 256	$ 378,655	$ (7,467)	$ 641,894	$ (44,772)	$ 968,566
Balance at end (in shares) at Mar. 30, 2019	25,607,196				(752,913)