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Fair Value of Financial Instruments - Recurring Fair Value Measurements (Detail) - Fair Value, Measurements, Recurring - Level 2 - Interest Rate Swap - USD ($)
$ in Thousands
Sep. 30, 2021
Jun. 30, 2021
Other accrued expenses and current liabilities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swap agreements $ 530 $ 1,028
Other long-term liabilities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swap agreements $ 22,332 $ 24,838