Quarterly report pursuant to Section 13 or 15(d)

The preliminary values of major classes of assets acquired and liabilities assumed recorded at the date of acquisition, as adjusted during the valuation period (Details)

v3.19.3
The preliminary values of major classes of assets acquired and liabilities assumed recorded at the date of acquisition, as adjusted during the valuation period (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Business Acquisition [Line Items]    
Materials & supplies $ 17,500 $ 15,788
Goodwill 570,759 $ 368,481
Finite-lived Intangible Assets Acquired 397,495  
Customer Contracts [Member]    
Business Acquisition [Line Items]    
Finite-lived Intangible Assets Acquired $ 283,830  
Customer Contracts [Member] | Minimum [Member]    
Business Acquisition [Line Items]    
Finite lived intangible assets useful life 3 years  
Customer Contracts [Member] | Maximum [Member]    
Business Acquisition [Line Items]    
Finite lived intangible assets useful life 12 years  
Trademarks and Trade Names [Member]    
Business Acquisition [Line Items]    
Finite-lived Intangible Assets Acquired $ 102,657  
Trademarks and Trade Names [Member] | Maximum [Member]    
Business Acquisition [Line Items]    
Finite lived intangible assets useful life 20 years  
Noncompete Agreements [Member]    
Business Acquisition [Line Items]    
Finite-lived Intangible Assets Acquired $ 4,877  
Noncompete Agreements [Member] | Minimum [Member]    
Business Acquisition [Line Items]    
Finite lived intangible assets useful life 3 years  
Noncompete Agreements [Member] | Maximum [Member]    
Business Acquisition [Line Items]    
Finite lived intangible assets useful life 20 years  
Patents [Member]    
Business Acquisition [Line Items]    
Finite-lived Intangible Assets Acquired $ 1,613  
Patents [Member] | Minimum [Member]    
Business Acquisition [Line Items]    
Finite lived intangible assets useful life 3 years  
Patents [Member] | Maximum [Member]    
Business Acquisition [Line Items]    
Finite lived intangible assets useful life 15 years  
Other Intangible Assets [Member]    
Business Acquisition [Line Items]    
Finite-lived Intangible Assets Acquired $ 2,291  
Finite lived intangible assets useful life 10 years  
Internet Domain Names [Member]    
Business Acquisition [Line Items]    
Finite-lived Intangible Assets Acquired $ 2,227  
Acquisitions [Member]    
Business Acquisition [Line Items]    
Accounts receivable, net 8,535  
Materials & supplies 1,378  
Equipment and property 68,704  
Goodwill 201,443  
Customer contracts and other intangible assets 189,581  
Current liabilities (18,180)  
Other assets and liabilities, net (7,512)  
Total purchase price 443,949  
Less: Contingent consideration liability (12,700)  
Total cash purchase price $ 431,249