Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 29, 2015	Mar. 30, 2014	Mar. 31, 2013
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 1,609	$ 1,486
Other comprehensive income (loss) before reclassifications	(3,611)	226
Amounts reclassified out of AOCI	(179)	(103)	(85)
Net current-period other comprehensive income (loss)	(3,790)	123	123
Ending balance	(2,181)	1,609	1,486
Cumulative translation adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	1,497	1,563
Other comprehensive income (loss) before reclassifications	(5,218)	(66)
Amounts reclassified out of AOCI	0	0
Net current-period other comprehensive income (loss)	(5,218)	(66)
Ending balance	(3,721)	1,497
Unrealized gain on available-for-sale investments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	194	0
Other comprehensive income (loss) before reclassifications	793	291
Amounts reclassified out of AOCI	(127)	(97)	(8)
Net current-period other comprehensive income (loss)	666	194
Ending balance	860	194	0
Pension adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(82)	(77)
Other comprehensive income (loss) before reclassifications	814	1
Amounts reclassified out of AOCI	(52)	(6)	(77)
Net current-period other comprehensive income (loss)	762	(5)
Ending balance	$ 680	$ (82)	$ (77)