Quarterly report pursuant to Section 13 or 15(d)

Fair Value - Assets and Liabilities (Details)

v3.22.0.1
Fair Value - Assets and Liabilities (Details)
$ in Thousands
Dec. 31, 2021
USD ($)
asset
liability
Sep. 30, 2021
USD ($)
Financial information for each of the Company's business segments    
Debt fair value $ 1,590,000 $ 1,510,000
Fair Value, Recurring    
Financial information for each of the Company's business segments    
Assets recorded at fair value on recurring basis | asset 2  
Liability recorded at fair value on recurring basis | liability 1  
Total assets $ 33,298  
Contingent consideration 15,602  
Total liabilities 15,602  
Fair Value, Recurring | Interest rate swap    
Financial information for each of the Company's business segments    
Interest rate swap 3,233  
Fair Value, Recurring | Deferred compensation assets - Rabbi Trust    
Financial information for each of the Company's business segments    
Total assets 30,065  
Level 1 | Fair Value, Recurring    
Financial information for each of the Company's business segments    
Total assets 30,065  
Contingent consideration 0  
Total liabilities 0  
Level 1 | Fair Value, Recurring | Interest rate swap    
Financial information for each of the Company's business segments    
Interest rate swap 0  
Level 1 | Fair Value, Recurring | Deferred compensation assets - Rabbi Trust    
Financial information for each of the Company's business segments    
Total assets 30,065  
Level 2 | Fair Value, Recurring    
Financial information for each of the Company's business segments    
Total assets 3,233  
Contingent consideration 0  
Total liabilities 0  
Level 2 | Fair Value, Recurring | Interest rate swap    
Financial information for each of the Company's business segments    
Interest rate swap 3,233  
Level 2 | Fair Value, Recurring | Deferred compensation assets - Rabbi Trust    
Financial information for each of the Company's business segments    
Total assets 0  
Level 3 | Fair Value, Recurring    
Financial information for each of the Company's business segments    
Total assets 0  
Contingent consideration 15,602  
Total liabilities 15,602  
Level 3 | Fair Value, Recurring | Interest rate swap    
Financial information for each of the Company's business segments    
Interest rate swap 0  
Level 3 | Fair Value, Recurring | Deferred compensation assets - Rabbi Trust    
Financial information for each of the Company's business segments    
Total assets $ 0