Accumulated Other Comprehensive Income (Loss) (Changes) (Details) $ in Thousands	9 Months Ended
	Jan. 03, 2016 USD ($)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, March 29, 2015	$ (2,181)
Other comprehensive loss before reclassifications	(3,784)
Amounts reclassified out of accumulated other comprehensive income (loss)	(282)
Net current-period other comprehensive loss	(4,066)
Balance as of January 3, 2016	(6,247)
Cumulative translation adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, March 29, 2015	(3,721)
Other comprehensive loss before reclassifications	(2,044)
Amounts reclassified out of accumulated other comprehensive income (loss)	0
Net current-period other comprehensive loss	(2,044)
Balance as of January 3, 2016	(5,765)
Unrealized gain on available-for-sale investments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, March 29, 2015	860
Other comprehensive loss before reclassifications	(1,740)
Amounts reclassified out of accumulated other comprehensive income (loss)	331
Net current-period other comprehensive loss	(1,409)
Balance as of January 3, 2016	(549)
Pension adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, March 29, 2015	680
Other comprehensive loss before reclassifications	0
Amounts reclassified out of accumulated other comprehensive income (loss)	(613)
Net current-period other comprehensive loss	(613)
Balance as of January 3, 2016	$ 67