Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Apr. 01, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 133,125	$ (40,288)	$ (16,558)
Total comprehensive income (loss):
Unrealized gain on marketable securities, net of tax	85	204	53
Change in pension liability, net of tax	(651)	476	(339)
Foreign currency translation adjustment, including intra-entity foreign currency transactions that are of a long-term-investment nature	(3,396)	1,276	(1,014)
Reclassification adjustments, net of tax:
Foreign currency gain recognized and included in net loss	0	(581)	0
Amortization of pension actuarial loss	90	179	127
Other comprehensive (loss) income	(3,872)	1,554	(1,173)
Total comprehensive income (loss)	$ 129,253	$ (38,734)	$ (17,731)