XML 83 R68.htm IDEA: XBRL DOCUMENT v3.22.2
Debt (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Apr. 01, 2021
Line of Credit Facility [Line Items]          
Amortization of debt issuance costs and discounts $ 467,000 $ 437,000 $ 1,393,000 $ 1,481,000  
Maximum          
Line of Credit Facility [Line Items]          
Accounts receivable from securitization         $ 150,000,000
2021 Credit Agreement | Term Loan          
Line of Credit Facility [Line Items]          
Amount of loan         475,000,000
Revolving Credit Facility | 2021 Credit Agreement          
Line of Credit Facility [Line Items]          
Credit facility borrowing capacity         350,000,000
Letter of Credit | 2021 Credit Agreement          
Line of Credit Facility [Line Items]          
Credit facility borrowing capacity         $ 60,000,000