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Financial Derivatives - Additional Information (Detail)
Sep. 11, 2019
USD ($)
Agreement
Jun. 30, 2021
USD ($)
Derivative [Line Items]    
Number of interest rate swap agreements | Agreement 2  
5-Year Swap [Member]    
Derivative [Line Items]    
Derivative, notional amount $ 250,000,000.0  
Term of derivative agreement 5 years  
Derivative, maturity date Aug. 30, 2024  
Derivative, fixed interest rate 1.49%  
Derivative fair value, net of tax   $ 5,900,000
3-Year Swap [Member]    
Derivative [Line Items]    
Derivative, notional amount $ 250,000,000.0  
Term of derivative agreement 3 years  
Derivative, maturity date Aug. 30, 2022  
Derivative, fixed interest rate 1.50%  
Derivative fair value, net of tax   $ 3,000,000.0
2028 Term Loan [Member]    
Derivative [Line Items]    
Derivative, notional amount $ 500,000,000.0