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Long-Term Debt - Fair Value - Additional Information (Detail) $ in Millions	Sep. 30, 2023 USD ($)
4.25% 2032 notes
Debt Instrument [Line Items]
Private offered aggregate principal amount rate	4.25%
4.25% 2032 notes | Level 2
Debt Instrument [Line Items]
Fair value of long term debt	$ 1.1
6.375% 2032 notes
Debt Instrument [Line Items]
Private offered aggregate principal amount rate	6.375%
6.375% 2032 notes | Level 2
Debt Instrument [Line Items]
Fair value of long term debt	$ 661.9
2030 Notes
Debt Instrument [Line Items]
Private offered aggregate principal amount rate	5.00%
2030 Notes | Level 2
Debt Instrument [Line Items]
Fair value of long term debt	$ 491.8

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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