Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 38,647	$ 1,561
Other comprehensive income:
Unrealized (loss) gain on marketable securities, net of tax	(1)	3
Foreign currency translation adjustment, including intra-entity foreign currency transactions that are of a long-term-investment nature	34	8
Reclassification adjustments, net of tax:
Amortization of pension actuarial loss	7	1
Other comprehensive income	40	12
Total comprehensive income	$ 38,687	$ 1,573