Leases - (Balance Sheet Classification) (Details) - USD ($) $ in Thousands	Jul. 05, 2020	Mar. 31, 2020
Leases [Abstract]
Operating lease right-of-use asset	$ 71,124	$ 70,045
Operating lease current liabilities	21,891	21,128
Operating lease non-current liabilities	51,461	51,215
Finance lease right-of-use asset	513	540
Finance lease current liabilities	169	162
Finance lease non-current liabilities	$ 375	$ 407