Stock-Based Employee Compensation - Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 02, 2017	Apr. 03, 2016	Mar. 29, 2015
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 39,869	$ 34,125	$ 22,259
Cost of revenue
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	2,929	2,707	1,936
Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	16,068	15,268	9,813
Selling, general and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	20,872	16,182	10,704
Discontinued operations
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 0	$ (32)	$ (194)