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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