v3.20.4

Voluntary Reorganization (Narrative) (Details) - USD ($) |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 23, 2020 | Oct. 31, 2020 | Sep. 20, 2019 | Feb. 28, 2018
Restructuring Cost and Reserve [Line Items] |  |  |  |
Payment for Debt Extinguishment or Debt Prepayment Cost |  | $ 20,400,000 |  |
Liabilities Subject to Compromise, Capital Lease Obligations and Accrued Interest |  | $ 18,300,000 |  |
Revolving Credit Facility [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Debt maximum borrowing capacity |  |  |  | $ 500,000,000
Debtor-in-Possession Term Loan Credit Facility (DIP Term Facility) | Secured Debt | Base Rate |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Interest rate spread (basis points) | 10.75% |  |  |
Debtor-in-Possession Term Loan Credit Facility (DIP Term Facility) | Secured Debt | London Interbank Offered Rate (LIBOR) |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Interest rate spread (basis points) | 11.75% |  |  |
Debtor-in-Possession Term Loan Credit Facility (DIP Term Facility) | Secured Debt | Applicable Rate |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Default rate spread (percent) | 2.00% |  |  |
Debtor-in-Possession Term Loan Credit Facility (DIP Term Facility) | Secured Debt | Minimum | Base Rate |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Stated base rate (percent) | 2.00% |  |  |
Debtor-in-Possession Term Loan Credit Facility (DIP Term Facility) | Secured Debt | Minimum | London Interbank Offered Rate (LIBOR) |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Stated base rate (percent) | 1.00% |  |  |
Last Out Exit Term Facility | Secured Debt |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Funds owed on conversion | $ 88,200,000 |  |  |
Restructuring Support Agreement (RSA) |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Capital to be contributed | 150,000,000 |  |  |
Amount available to holders of general unsecured claims | $ 500,000 |  |  |
Consenting Stakeholders |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Ownership (percent) | 44.90% |  |  |
Consenting Stakeholders | Term Loan |  |  |  |
Voluntary Reorganization [Abstract] |  |  |  |
Concentration risk (percent) | 68.00% |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Concentration risk (percent) | 68.00% |  |  |
Backstop Parties | Debtor-in-Possession Term Loan Credit Facility (DIP Term Facility) | Secured Debt |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Premium paid for line of credit facility | $ 7,500,000 |  |  |
Debt | 312,300,000 |  |  |
Backstop Parties | Debtor-in-Possession Term Loan Credit Facility (DIP Term Facility) | Secured Debt | Revolving Credit Facility [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Debt maximum borrowing capacity | 400,000,000 |  | $ 200,000,000 |
Backstop Parties | New Money DIP Loans | Secured Debt |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Debt | 150,000,000.0 |  |  |
Payment for Debt Extinguishment or Debt Prepayment Cost | 50,000,000.0 |  |  |
Backstop Parties | Roll-Up DIP Loans | Secured Debt |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Debt | $ 162,300,000 |  |  |
Term Loan Lenders |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Ownership (percent) | 55.10% |  |  |

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