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Subsequent Event (Details) - USD ($) $ / shares in Units, $ in Thousands							12 Months Ended
	Jun. 01, 2020	Aug. 28, 2019	Jun. 01, 2019	Sep. 12, 2018	Jun. 01, 2018	Dec. 12, 2017	Mar. 28, 2020	Mar. 30, 2019
Subsequent Event
Total number of restricted shares granted (in shares)							778,719	624,717
Granted (in dollars per share)							$ 6.50	$ 8.06
Amended and Restated 2013 Incentive Award Plan \| Restricted Stock Awards
Subsequent Event
Total number of restricted shares granted (in shares)		172,792	605,927	73,264	551,453	22,191
Granted (in dollars per share)		$ 4.63	$ 7.03	$ 10.92	$ 7.68	$ 5.52
Subsequent event \| Revolving credit facility
Subsequent Event
Repayment of credit facility	$ 20,000
Subsequent event \| Amended and Restated 2013 Incentive Award Plan \| Restricted Stock Awards
Subsequent Event
Total number of restricted shares granted (in shares)	1,358,709
Granted (in dollars per share)	$ 3.03
Subsequent event \| Amended and Restated 2013 Incentive Award Plan \| Time - based restricted shares
Subsequent Event
Vesting period	3 years
Subsequent event \| Amended and Restated 2013 Incentive Award Plan \| Performance - based restricted shares
Subsequent Event
Vesting period	3 years