Income Taxes (Significant Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 27, 2021	Mar. 28, 2020
Deferred tax assets:
Accrued expenses and allowances	$ 4,354	$ 2,750
Net operating loss carryforwards	1,781	2,093
Research and development tax credit carryforwards	12,753	13,066
Stock-based compensation	10,995	8,380
Lease liabilities	17,672	18,095
Other	0	1,260
Total deferred tax assets	47,555	45,644
Valuation allowance for deferred tax assets	(12,782)	(12,596)
Net deferred tax assets	34,773	33,048
Deferred tax liabilities:
Depreciation and amortization	4,059	5,425
Right of use asset	16,987	17,391
Acquisition intangibles	3,100	4,645
Other	650	0
Total deferred tax liabilities	24,796	27,461
Total net deferred tax assets	$ 9,977	$ 5,587