Emergence from Voluntary Reorganization under Chapter 11 / Fresh Start Accounting Reconciliation of Enterprise Value to the Reorganization Value of Successor's Assets to be Allocated (Details) - USD ($) $ in Thousands	May 31, 2020	May 30, 2020
Fresh-Start Adjustment [Line Items]
Plus: Cash and cash equivalents	$ 10,592	$ 21,253
Plus: current liabilities	65,799	$ 88,273
Plus: non-current liabilities excluding long-term debt	6,626
Less: debt issuance costs on Successor debt	(6,394)
Reorganization value of Successor assets	352,623
Median [Member]
Fresh-Start Adjustment [Line Items]
Enterprise Value	$ 276,000