Fair Value Measurements - Summary of Fair Value, Assets and Liabilities Measured on Recurring Basis (Detail) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Sep. 30, 2022 |
|---|---|---|
| Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Noncurrent | |
| Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other Assets, Noncurrent | |
| Interest rate swap agreements [Member] | ||
| Derivative Asset, Noncurrent | $ 1,353 | $ 1,421 |
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Interest rate swap agreements [Member] | ||
| Derivative Liability, Noncurrent | 0 | |
| Derivative Asset, Noncurrent | 0 | |
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Interest rate swap agreements [Member] | ||
| Derivative Asset, Noncurrent | 1,353 | 1,421 |
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Interest rate swap agreements [Member] | ||
| Derivative Liability, Noncurrent | $ 0 | |
| Derivative Asset, Noncurrent | $ 0 |