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Long-Term Debt (Parenthetical) (Detail) - USD ($) $ in Thousands |  | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 16, 2020 | Oct. 30, 2021 | Oct. 31, 2020 | Jan. 30, 2021 | Jun. 11, 2021 | Apr. 30, 2020 | Mar. 17, 2020
Senior Secured Term B-6 Loans |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-Term Debt, maturity date |  | Jun. 24, 2028 | Jun. 24, 2028 | Jun. 24, 2028 |  |  |
Senior Secured Term B-5 Loans |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-Term Debt, redemption date |  | Jun. 24, 2021 | Jun. 24, 2021 | Jun. 24, 2021 |  |  |
Convertible Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-Term Debt, maturity date | Apr. 15, 2025 | Apr. 15, 2025 |  |  |  |  |
Long-Term Debt, face amount | $ 805,000 | $ 805,000 |  |  |  | $ 805,000 |
Long-Term Debt, interest rate | 2.25% | 2.25% |  |  |  | 2.25% |
Senior Secured Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-Term Debt, redemption date |  | Jun. 11, 2021 |  |  |  |  |
Long-Term Debt, face amount | $ 300,000 | $ 300,000 |  |  | $ 300,000 |  |
Long-Term Debt, interest rate | 6.25% | 6.25% |  |  |  |  |
ABL senior secured revolving facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-Term Debt, maturity date |  | Jun. 29, 2023 |  |  |  |  |
Long-Term Debt, face amount |  | $ 600,000 |  |  |  |  | $ 400,000
London Interbank Offered Rate Floor | Senior Secured Term B-6 Loans |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-Term Debt, interest rate |  | 0.00% | 0.00% | 0.00% |  |  |
London Interbank Offered Rate Floor | Senior Secured Term B-5 Loans |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-Term Debt, interest rate |  | 0.00% | 0.00% | 0.00% |  |  |
London Interbank Offered Rate (LIBOR) | Senior Secured Term B-6 Loans |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-Term Debt, interest rate |  | 2.00% | 2.00% | 2.00% |  |  |
London Interbank Offered Rate (LIBOR) | Senior Secured Term B-5 Loans |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-Term Debt, interest rate |  | 1.75% | 1.75% | 1.75% |  |  |

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