Income Taxes (Details 3) - USD ($) $ in Thousands	Mar. 31, 2018	Apr. 01, 2017
Deferred tax assets:
Stock-based compensation	$ 17,213	$ 22,050
Deferred income on shipments to distributors	2,019	8,167
Accrued expenses	7,172	9,567
Tax credit carryforwards	140,406	109,681
Deferred compensation plan	24,121	32,518
Deferred Tax Assets, Investments	5,836	8,163
Other	15,337	17,628
Deferred tax assets, gross	212,104	207,774
Valuation allowance	(101,383)	(72,520)
Total deferred tax assets	110,721	135,254
Deferred tax liabilities:
Unremitted foreign earnings	(6,185)	(383,312)
Convertible debt	0	(1,573)
Other	(2,522)	(4,002)
Deferred Tax Liabilities, Gross	(8,707)	(388,887)
Deferred Tax Assets, Net	$ 102,014
Deferred Tax Liabilities, Net		$ (253,633)