Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS - Assets acquired and liabilities assumed (Details)

v3.22.4
ACQUISITIONS - Assets acquired and liabilities assumed (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Business Acquisition [Line Items]      
Goodwill $ 846,704 $ 786,504 $ 717,861
Total cash purchase price 119,188 146,098 $ 147,613
2022 Acquisitions      
Business Acquisition [Line Items]      
Total cash purchase price 116,000    
Acquisitions      
Business Acquisition [Line Items]      
Accounts receivable, net 3,736 3,072  
Materials and supplies 529 891  
Equipment and property 6,741 8,184  
Goodwill 64,997 69,555  
Current liabilities (4,853) (6,483)  
Other assets and liabilities, net (1,948) 288  
Total consideration paid 126,226 160,614  
Less: Acquisition holdback liabilities (10,178) (14,516)  
Total cash purchase price 116,048 146,098  
Acquisitions | Customer Contracts      
Business Acquisition [Line Items]      
Intangible assets 49,871 80,239  
Acquisitions | Trademarks & Tradenames      
Business Acquisition [Line Items]      
Intangible assets 5,615 1,200  
Acquisitions | Other Intangible Assets      
Business Acquisition [Line Items]      
Intangible assets $ 1,538 $ 3,668