v3.26.1
Debt and Financing Arrangements - Narrative (Details)
 1 Months Ended 3 Months Ended 9 Months Ended
Jan. 31, 2026
USD ($)
Jun. 30, 2026
USD ($)
shares
Mar. 31, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
Jun. 30, 2026
EUR (€)
shares
Feb. 28, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2025
EUR (€)
Line of Credit Facility [Line Items]                    
Debt extinguishment charges   $ 0   $ 0 $ 16,343,000 $ 0        
Accounts payable, trade   4,550,000     4,550,000       $ 6,136,000  
Other borrowings   $ 567,263,000     $ 567,263,000       710,832,000  
Common Class A                    
Line of Credit Facility [Line Items]                    
Shares issued with shelf registration (in shares) | shares         1,250,000          
Common Class A | ATM Program                    
Line of Credit Facility [Line Items]                    
Shares issued with shelf registration (in shares) | shares         0          
Shares remaining for sale | shares   1,250,000     1,250,000   1,250,000      
Other borrowings                    
Line of Credit Facility [Line Items]                    
Weighted-average interest rate on outstanding borrowings (as a percent)   2.39%   3.42% 2.39% 3.42% 2.39%      
Other borrowings   $ 7,657,000     $ 7,657,000       7,151,000  
2027 Senior Secured Notes | 2027 Senior Secured Notes                    
Line of Credit Facility [Line Items]                    
Debt issued amount   $ 300,000,000     $ 300,000,000          
Debt issuance costs, gross                 3,890,000  
Fixed interest rate (as a percent)   8.625%     8.625%   8.625%      
Redemption price, percentage 104.313%                  
Repayments of senior notes $ 320,917,000                  
Debt extinguishment charges     $ 16,343,000              
Unamortized financing costs     $ 3,404,000              
Other borrowings   $ 0     $ 0       296,110,000  
Receivables Purchase Agreement                    
Line of Credit Facility [Line Items]                    
Facility limit   75,000,000     75,000,000          
Receivables sold to purchasers   52,100,000     52,100,000       65,600,000  
Unsold receivables   63,458,000     63,458,000       63,720,000  
Principal amount of receivables sold           $ 45,813,000        
Revolving credit facilities | March 2020 Debt Amendment | Line of Credit                    
Line of Credit Facility [Line Items]                    
Maximum amount of borrowings available               $ 700,000,000    
Maximum borrowing amount drawn In foreign currency   350,000,000     $ 350,000,000          
Rate spread adjustment (as a percent)         0.10%          
Interest rate during period (as a percent)         1.75%          
Debt issuance costs, gross   1,576,000     $ 1,576,000          
Unamortized debt costs   4,169,000     4,169,000       3,918,000  
Outstanding borrowings on revolving credit facility   404,640,000     404,640,000       384,233,000  
Other borrowings   404,640,000     $ 404,640,000       385,007,000  
Revolving credit facilities | March 2020 Debt Amendment | Minimum | Line of Credit                    
Line of Credit Facility [Line Items]                    
Interest rate on borrowings (as a percent)         1.00%          
Line of credit facility, unused capacity, commitment fee percentage         0.15%          
Revolving credit facilities | March 2020 Debt Amendment | Maximum | Line of Credit                    
Line of Credit Facility [Line Items]                    
Interest rate on borrowings (as a percent)         2.00%          
Line of credit facility, unused capacity, commitment fee percentage         0.30%          
Secured term loan | March 2020 Debt Amendment | Line of Credit                    
Line of Credit Facility [Line Items]                    
Debt issued amount               $ 150,000,000    
Annual scheduled principal payments   7,500,000     $ 7,500,000          
Maximum available for issuance of trade and standby letters of credit   55,000,000     55,000,000          
Outstanding borrowings   $ 134,912,000     $ 134,912,000          
Weighted-average interest rate on outstanding borrowings (as a percent)   5.37%   5.13% 5.37% 5.13% 5.37%      
Other borrowings   $ 134,912,000     $ 134,912,000       0  
Foreign Line of Credit | Credit Facility With European Bank                    
Line of Credit Facility [Line Items]                    
Maximum amount of borrowings available   2,282,000     2,282,000   € 2,000,000.0      
Outstanding borrowings on revolving credit facility             0   $ 774,000 € 659,000
Weighted-average interest rate on outstanding borrowings (as a percent)       4.16%   4.16%        
Foreign Line of Credit | Bank Guarantees | Credit Facility With European Bank                    
Line of Credit Facility [Line Items]                    
Maximum amount of borrowings available   $ 15,972,000     $ 15,972,000   € 14,000,000.0