Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Mar. 25, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive loss	$ (11,361)	$ (573)
Current period foreign exchange translation	(3,125)	2,791	$ (826)
Current period marketable securities activity	2,823	(2,380)	47
Current period actuarial gain/loss activity	0	(14,729)	(79)
Current period actuarial gain/loss activity	13,814	0	0
Tax effect	(3,217)	3,530
Ending balance, accumulated other comprehensive loss	(1,066)	(11,361)	(573)
Foreign Currency
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive loss	1,489	(1,302)
Current period foreign exchange translation	(3,125)	2,791
Current period marketable securities activity	0	0
Current period actuarial gain/loss activity		0
Current period actuarial gain/loss activity	0
Tax effect	0	0
Ending balance, accumulated other comprehensive loss	(1,636)	1,489	(1,302)
Unrealized Gains (Losses) on Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive loss	(1,661)	(31)
Current period foreign exchange translation	0	0
Current period marketable securities activity	2,823	(2,380)
Current period actuarial gain/loss activity		0
Current period actuarial gain/loss activity	0
Tax effect	(592)	750
Ending balance, accumulated other comprehensive loss	570	(1,661)	(31)
Actuarial Gains (Losses) on Defined Benefit Pension Plan
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, accumulated other comprehensive loss	(11,189)	760
Current period foreign exchange translation	0	0
Current period marketable securities activity	0	0
Current period actuarial gain/loss activity		(14,729)
Current period actuarial gain/loss activity	13,814
Tax effect	(2,625)	2,780
Ending balance, accumulated other comprehensive loss	$ 0	$ (11,189)	$ 760