Investments and Fair Value Measurements (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands		Jun. 29, 2019	Mar. 30, 2019
Schedule of Available-for-sale debt securities
Deferred Compensation Plan Assets	[1]	$ 20,101	$ 18,737
Assets, Fair Value Disclosure		20,726	21,601
Deferred Compensation Liability, Current and Noncurrent	[1]	20,101	18,737
Financial and Nonfinancial Liabilities, Fair Value Disclosure		20,101	18,737
Auction Rate Securities
Schedule of Available-for-sale debt securities
Debt Securities, Available-for-sale	[2]		1,950
Equity Securities
Schedule of Available-for-sale debt securities
Marketable Securities		625	901
Money Market Funds
Schedule of Available-for-sale debt securities
Cash Equivalents, at Carrying Value			13
Quoted Prices In Active Markets For Identical Assets (Level 1)
Schedule of Available-for-sale debt securities
Deferred Compensation Plan Assets	[1]	20,101	18,737
Assets, Fair Value Disclosure		20,726	19,651
Deferred Compensation Liability, Current and Noncurrent	[1]	20,101	18,737
Financial and Nonfinancial Liabilities, Fair Value Disclosure		20,101	18,737
Quoted Prices In Active Markets For Identical Assets (Level 1) | Equity Securities
Schedule of Available-for-sale debt securities
Marketable Securities		625	901
Quoted Prices In Active Markets For Identical Assets (Level 1) | Money Market Funds
Schedule of Available-for-sale debt securities
Cash Equivalents, at Carrying Value			13
Significant Other Observable Inputs (Level 2)
Schedule of Available-for-sale debt securities
Deferred Compensation Plan Assets	[1]	0	0
Assets, Fair Value Disclosure		0	1,950
Financial and Nonfinancial Liabilities, Fair Value Disclosure		0	0
Significant Other Observable Inputs (Level 2) | Auction Rate Securities
Schedule of Available-for-sale debt securities
Debt Securities, Available-for-sale	[2]		1,950
Significant Other Observable Inputs (Level 2) | Equity Securities
Schedule of Available-for-sale debt securities
Marketable Securities		$ 0	$ 0

[1] The Company's non-qualified deferred compensation plan provides eligible employees and members of the Board of Directors with the opportunity to defer a specified percentage of their cash compensation. The Company includes the assets deferred by the participants in the “Other current assets” and “Other non-current assets” line items of its Condensed Consolidated Balance Sheets and the Company's obligation to deliver the deferred compensation in the "Other current liabilities" and “Other long-term liabilities” line items of its Condensed Consolidated Balance Sheets.

[2] The Company's Level 2 auction rate securities were debt instruments with interest rates that reset through periodic short-term auctions and were valued based on quoted prices for identical or similar instruments in markets that were not active. During the first quarter of fiscal 2020, the Company sold its auction rate securities at par value.