Income Taxes (Significant Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 30, 2019	Mar. 31, 2018
Deferred tax assets:
Accrued expenses and allowances	$ 4,024	$ 5,793
Net operating loss carryforwards	2,940	3,646
Research and development tax credit carryforwards	13,111	12,701
Stock-based compensation	14,667	14,156
Other	1,261	2,402
Total deferred tax assets	36,003	38,698
Valuation allowance for deferred tax assets	(18,588)	(14,671)
Net deferred tax assets	17,415	24,027
Deferred tax liabilities:
Depreciation and amortization	8,913	9,184
Acquisition intangibles	8,803	13,427
Total deferred tax liabilities	17,716	22,611
Total net deferred tax assets (liabilities)	$ (301)
Total net deferred tax assets (liabilities)		$ 1,416