Accumulated Other Comprehensive Income (Loss) (Changes) (Details) $ in Thousands	3 Months Ended
	Jun. 28, 2015 USD ($)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (2,181)
Other comprehensive loss before reclassifications	(243)
Amounts reclassified out of accumulated other comprehensive income (loss)	(3)
Net current-period other comprehensive loss	(246)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(2,427)
Cumulative translation adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(3,721)
Other comprehensive loss before reclassifications	810
Amounts reclassified out of accumulated other comprehensive income (loss)	0
Net current-period other comprehensive loss	810
Accumulated Other Comprehensive Income (Loss), Net of Tax	(2,911)
Unrealized gain on available-for-sale investments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax	860
Other comprehensive loss before reclassifications	(1,053)
Amounts reclassified out of accumulated other comprehensive income (loss)	143
Net current-period other comprehensive loss	(910)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(50)
Pension adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax	680
Other comprehensive loss before reclassifications	0
Amounts reclassified out of accumulated other comprehensive income (loss)	(146)
Net current-period other comprehensive loss	(146)
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 534