Summary of Significant Accounting Policies Recently Issued Accounting Pronouncements (Details) - USD ($)	12 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018	Apr. 01, 2017	Apr. 02, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income before income taxes		$ 86,676,000	$ 78,523,000	$ 55,281,000
Cash and Cash Equivalents, at Carrying Value		187,370,000	186,766,000	132,542,000
Restricted cash		12,148,000	11,228,000	11,573,000
Restricted cash, Noncurrent		351,000	1,264,000	724,000
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents		199,869,000	$ 199,258,000	$ 144,839,000	$ 109,066,000
Accounting Standards Update 2016-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of implementing ASU 2016-01, net of tax		0
Income before income taxes		171,000
Retained earnings | Accounting Standards Update 2016-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of implementing ASU 2016-01, net of tax		1,621,000
Accumulated other comprehensive income (loss) | Accounting Standards Update 2016-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of implementing ASU 2016-01, net of tax		(1,621,000)
Cumulative effect of implementing ASU 2016-01, tax		541,000
Accrued Liabilities | Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Change in accrued liabilities for ASC 606		$ 600,000
Maximum | Scenario, Forecast | Subsequent Event | Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use asset and lease liability as a percent of total assets	0.03