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Long-Term Debt - Scheduled Maturities of Long-Term Debt (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Long-term Debt, Fiscal Year Maturity [Abstract]    
2022 $ 3.0  
2023 3.0  
2024 206.3  
Term Loan $ 212.3 $ 215.3