Income Taxes - Effective Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 03, 2016	Apr. 02, 2017	Apr. 03, 2016	Mar. 29, 2015
Reconciliation between statutory and effective tax rate
Statutory U.S. income tax rate (percent)		35.00%	35.00%	35.00%
Provision from continuing operations at 35% U.S. statutory rate		$ 34,750	$ 46,852	$ 40,579
State tax, net of federal benefit		(389)	198	160
Effect of foreign operations		(48,018)	(55,331)	(35,740)
Repatriation of foreign earnings		10,121	32,957	0
Valuation allowance	$ (61,700)	1,424	(81,553)	3,372
Research tax credits		(7,801)	(6,150)	(4,439)
Stock-based compensation		(1,785)	1,028	(2,740)
Other		1,799	564	165
Income tax expense (benefit) from continuing operations		$ (9,899)	$ (61,435)	$ 1,357