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Long-term Debt and Financing Arrangements - Narrative (Details)
6 Months Ended 12 Months Ended
May 11, 2020
USD ($)
Aug. 31, 2018
USD ($)
Jun. 30, 2020
USD ($)
Sep. 30, 2021
Jun. 30, 2021
Jun. 30, 2020
USD ($)
Jun. 30, 2022
Mar. 31, 2021
May 10, 2020
USD ($)
Dec. 31, 2019
USD ($)
Debt Instrument [Line Items]                    
Weighted-average interest rate (as a percent)     4.80%     4.80%       4.30%
Amended Credit Facility                    
Debt Instrument [Line Items]                    
Borrowings outstanding under term loan   $ 250,000,000                
Term Loan Due August 31, 2023                    
Debt Instrument [Line Items]                    
Maximum borrowing capacity $ 144,000,000               $ 200,000,000  
Borrowings outstanding under term loan   200,000,000 $ 141,000,000.0     $ 141,000,000.0        
Amount of quarterly repayments of term commitment   2,500,000                
Debt issuance costs     500,000     500,000        
Amended Credit Facility - 2020                    
Debt Instrument [Line Items]                    
Outstanding standby letters of credit     $ 1,600,000     $ 1,600,000        
Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Maximum borrowing capacity 314,000,000 175,000,000                
Revolving Credit Facility | Amended Credit Facility                    
Debt Instrument [Line Items]                    
Maximum borrowing capacity 314,000,000 450,000,000                
Credit facility fixed charge coverage ratio (not less than)     1.25              
Required consolidated leverage ratio as of end of each fiscal quarter (no greater than)     3.5     3.5        
Revolving Credit Facility | Amended Credit Facility | Minimum                    
Debt Instrument [Line Items]                    
Quarterly unused line commitment fee (as a percent)     0.15%              
Revolving Credit Facility | Amended Credit Facility | Maximum                    
Debt Instrument [Line Items]                    
Quarterly unused line commitment fee (as a percent)     0.275%              
Revolving Credit Facility | Amended Credit Facility | Federal Funds Effective Swap Rate                    
Debt Instrument [Line Items]                    
Basis spread on variable rate (as a percent)     0.50%              
Revolving Credit Facility | Amended Credit Facility | Eurocurrency Rate                    
Debt Instrument [Line Items]                    
Basis spread on variable rate (as a percent)     1.00%              
Revolving Credit Facility | Amended Credit Facility | Eurocurrency Rate | Minimum                    
Debt Instrument [Line Items]                    
Basis spread on variable rate (as a percent)     0.75%              
Revolving Credit Facility | Amended Credit Facility | Eurocurrency Rate | Maximum                    
Debt Instrument [Line Items]                    
Basis spread on variable rate (as a percent)     2.00%              
Revolving Credit Facility | Amended Credit Facility | Base Rate | Minimum                    
Debt Instrument [Line Items]                    
Basis spread on variable rate (as a percent)     0.00%              
Revolving Credit Facility | Amended Credit Facility | Base Rate | Maximum                    
Debt Instrument [Line Items]                    
Basis spread on variable rate (as a percent)     1.25%              
Revolving Credit Facility | Amended Credit Facility - 2020                    
Debt Instrument [Line Items]                    
Maximum borrowing capacity 170,000,000 $ 450,000,000             $ 250,000,000  
Credit facility fixed charge coverage ratio (not less than)           1.10        
Minimum cash and cash equivalents balances $ 40,000,000                  
Outstanding borrowings     $ 286,000,000.0     $ 286,000,000.0        
Remaining borrowing capacity     23,900,000     23,900,000       $ 121,600,000
Revolving Credit Facility | Amended Credit Facility - 2020 | Forecast                    
Debt Instrument [Line Items]                    
Credit facility fixed charge coverage ratio (not less than)       1.25 1.25          
Required consolidated leverage ratio as of end of each fiscal quarter (no greater than)         4.50   3.50 6.5    
Revolving Credit Facility | Amended Credit Facility - 2020 | Minimum                    
Debt Instrument [Line Items]                    
Quarterly unused line commitment fee (as a percent) 0.375%                  
Revolving Credit Facility | Amended Credit Facility - 2020 | Eurocurrency Rate | Minimum                    
Debt Instrument [Line Items]                    
Basis spread on variable rate (as a percent) 3.00%                  
Revolving Credit Facility | Amended Credit Facility - 2020 | Eurocurrency Rate | Maximum                    
Debt Instrument [Line Items]                    
Basis spread on variable rate (as a percent) 4.25%                  
Revolving Credit Facility | Amended Credit Facility - 2020 | Base Rate | Minimum                    
Debt Instrument [Line Items]                    
Basis spread on variable rate (as a percent) 2.00%                  
Revolving Credit Facility | Amended Credit Facility - 2020 | Base Rate | Maximum                    
Debt Instrument [Line Items]                    
Basis spread on variable rate (as a percent) 3.25%                  
Revolving Credit Facility | Amended Credit Facility - 2020 | Base and Eurocurrency Rate | Minimum                    
Debt Instrument [Line Items]                    
Basis spread on variable rate (as a percent) 1.00%                  
Foreign Credit Facility                    
Debt Instrument [Line Items]                    
Outstanding borrowings     100,000     100,000        
Outstanding standby letters of credit     1,300,000     1,300,000        
Remaining borrowing capacity     $ 7,100,000     $ 7,100,000