CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 03, 2016	Dec. 28, 2014	Jan. 03, 2016	Dec. 28, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 32,545	$ 18,358	$ 113,126	$ 54,643
Other comprehensive loss, net of taxes:
Currency translation adjustments, net of tax	(1,040)	(1,562)	(2,044)	(2,817)
Change in net unrealized loss on investments, net of tax	(731)	(576)	(1,409)	(592)
Actuarial loss on post-employment and post-retirement benefit plans, net of tax	(2)	(2)	(613)	(7)
Total other comprehensive loss	(1,773)	(2,140)	(4,066)	(3,416)
Comprehensive income	$ 30,772	$ 16,218	$ 109,060	$ 51,227