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Long-Term Debt (6.500% Senior Notes due 2024) - Additional Information (Detail) - 6.500% Senior Notes Due 2024 [Member] - USD ($) |  | 6 Months Ended
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Feb. 16, 2016 | Jun. 30, 2022
Debt Instrument [Line Items] |  |
Issued Senior Notes | $ 390,000,000.0 |
Debt instrument interest rate | 6.50% |
Debt instrument maturity date | Mar. 01, 2024 |
Interest on the notes |  | payable semi-annually in arrears on March 1 and September 1 of each year, beginning on September 1, 2016
Debt instrument, redemption date |  | Mar. 01, 2021

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