Income Taxes (Significant Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 28, 2020	Mar. 30, 2019
Deferred tax assets:
Accrued expenses and allowances	$ 2,750	$ 4,024
Net operating loss carryforwards	2,093	2,940
Research and development tax credit carryforwards	13,066	13,111
Stock-based compensation	8,380	14,667
Lease liabilities	18,095
Other	1,260	1,261
Total deferred tax assets	45,644	36,003
Valuation allowance for deferred tax assets	(12,596)	(18,588)
Net deferred tax assets	33,048	17,415
Deferred tax liabilities:
Depreciation and amortization	5,425	8,913
Right of use asset	17,391
Acquisition intangibles	4,645	8,803
Total deferred tax liabilities	27,461	17,716
Total net deferred tax assets (liabilities)	$ 5,587
Total net deferred tax assets (liabilities)		$ (301)