Debt and Credit Facility (Details) - USD ($)	12 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Long Term Debt [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 400,000,000.0
Additional borrowing capacity from Revolving Credit Facility	150,000,000.0
Line of Credit Facility, Average Outstanding Amount	0
2021 Notes Payable [Member]
Long Term Debt [Line Items]
Debt Instrument, Face Amount	500,000,000	$ 500,000,000
Debt Instrument, Unamortized Discount	517,000	1,063,000
Unamortized Debt Issuance Expense	(223,000)	(467,000)
New carrying value	499,260,000	498,470,000
Contractual coupon interest	15,000,000	15,000,000	$ 15,000,000
Amortization of debt issuance costs	244,000	244,000	244,000
Amortization of debt discount	546,000	530,000	514,000
Total interest expense related to the 2024 Notes	$ 15,790,000	$ 15,774,000	$ 15,758,000