Investments and Fair Value Measurements (Details 2) - USD ($) $ in Thousands	Mar. 28, 2020	Feb. 06, 2020	Mar. 30, 2019
Recurring
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Deferred compensation plan assets	$ 19,398		$ 18,737
Total assets measured at fair value	19,857		21,601
Deferred compensation plan liability	19,398		18,737
Business Combination, Contingent Consideration, Liability, Noncurrent	5,700
Money Market Funds, at Carrying Value			13
Total liabilities measured at fair value	25,098		18,737
Recurring | Quoted Prices In Active Markets For Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Deferred compensation plan assets	19,398		18,737
Total assets measured at fair value	19,857		19,651
Deferred compensation plan liability	19,398		18,737
Business Combination, Contingent Consideration, Liability, Noncurrent	0
Total liabilities measured at fair value	19,398		18,737
Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Deferred compensation plan assets	0		0
Total assets measured at fair value	0		1,950
Deferred compensation plan liability	0		0
Business Combination, Contingent Consideration, Liability, Noncurrent	0
Total liabilities measured at fair value	0		0
Recurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Deferred compensation plan assets	0		0
Total assets measured at fair value	0		0
Deferred compensation plan liability	0
Business Combination, Contingent Consideration, Liability, Noncurrent	5,700
Auction rate securities | Recurring
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Debt Securities, Available-for-sale			1,950
Auction rate securities | Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Debt Securities, Available-for-sale			1,950
Auction rate securities | Recurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Debt Securities, Available-for-sale			0
Money market funds | Recurring | Quoted Prices In Active Markets For Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Money Market Funds, at Carrying Value			13
Money market funds | Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Money Market Funds, at Carrying Value			0
Money market funds | Recurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Money Market Funds, at Carrying Value			0
Equity Securities | Recurring
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Marketable Securities	459		901
Equity Securities | Recurring | Quoted Prices In Active Markets For Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Marketable Securities	459		901
Equity Securities | Recurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Marketable Securities	0		0
Equity Securities | Recurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Marketable Securities	$ 0		$ 0
Custom MMIC [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Business Combination, Contingent Consideration, Liability, Noncurrent		$ 5,700