Annual report pursuant to Section 13 and 15(d)

Equity - Schedule of Changes in Accumulated Other Comprehensive Loss by Category (Details)

v3.21.2
Equity - Schedule of Changes in Accumulated Other Comprehensive Loss by Category (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance $ 1,241,819 $ 1,248,201 $ 1,086,419
Other comprehensive losses before reclassifications 2,222 2,742 (8,427)
Amounts reclassified from accumulated other comprehensive loss 508    
Net current period other comprehensive income 2,730 2,742 (8,427)
Ending balance 1,480,329 1,241,819 1,248,201
Foreign currency translation adjustment      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance (42,638) (45,380) (36,953)
Other comprehensive losses before reclassifications 3,033 2,742 (8,427)
Amounts reclassified from accumulated other comprehensive loss 0    
Net current period other comprehensive income 3,033 2,742 (8,427)
Ending balance (39,605) (42,638) (45,380)
Net unrealized loss on derivatives, net of tax      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance 0 0 0
Other comprehensive losses before reclassifications (811) 0 0
Amounts reclassified from accumulated other comprehensive loss 508 0 0
Net current period other comprehensive income (303) 0 0
Ending balance (303) 0 0
Total      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance (42,638) (45,380) (36,953)
Ending balance $ (39,908) $ (42,638) $ (45,380)