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Long-Term Debt (Redemption of 5.625% Senior Notes and 6.500% Senior Notes) - Additional Information (Detail) - USD ($) $ in Thousands |  |  |  | 9 Months Ended
--- | --- | --- | --- | ---
Mar. 17, 2021 | Mar. 01, 2021 | Jan. 29, 2021 | Sep. 30, 2021 | Sep. 30, 2020
Debt Instrument [Line Items] |  |  |  |  |
Debt extinguishment costs |  |  |  | $ (24,650) | $ (3,271)
Redemption of 5.625% Senior Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Senior Notes |  |  | $ 650,000 |  |
Debt instrument interest rate |  |  | 5.625% |  |
Debt extinguishment costs | $ 3,300 |  |  |  |
Redemption of 6.500% Senior Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Senior Notes |  |  | $ 390,000 |  |
Debt instrument interest rate |  |  | 6.50% |  |
Debt extinguishment costs |  | $ 10,500 |  |  |
Cash paid for breakage costs |  | 6,300 |  |  |
Write off of deferred financing costs |  | $ 4,200 |  |  |
Redemption of 5.625% Senior Notes and 6.500% Senior Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, redemption date |  |  | Jan. 29, 2021 |  |

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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16(a)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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