Quarterly report pursuant to Section 13 or 15(d)

BUSINESS COMBINATIONS - Narrative (Details)

v3.10.0.1
BUSINESS COMBINATIONS - Narrative (Details)
 3 Months Ended 6 Months Ended 12 Months Ended
Aug. 01, 2017
acquisition
location
customer
Sep. 30, 2017
USD ($)
Jun. 30, 2018
USD ($)
acquisition
Dec. 31, 2017
USD ($)
acquisition
Business Acquisition [Line Items]        
Number of acquisitions | acquisition     26 23
Carrying amount of goodwill     $ 359,107,000 $ 346,514,000
Carrying amount of goodwill in foreign countries     45,600,000 46,300,000
Goodwill and intangible asset impairment   $ 0    
Finite-lived intangible assets, net     246,423,000  
Customer contracts        
Business Acquisition [Line Items]        
Finite-lived intangible assets, net     182,522,000 152,869,000
Customer contracts | Other countries        
Business Acquisition [Line Items]        
Finite-lived intangible assets, net     35,300,000 29,800,000
Trademarks and tradenames        
Business Acquisition [Line Items]        
Finite-lived intangible assets, net     52,323,000 49,998,000
Trademarks and tradenames | Other countries        
Business Acquisition [Line Items]        
Finite-lived intangible assets, net     1,500,000 1,700,000
Other Intangible Assets        
Business Acquisition [Line Items]        
Finite-lived intangible assets, net     11,600,000 11,600,000
Other Intangible Assets | Other countries        
Business Acquisition [Line Items]        
Finite-lived intangible assets, net     $ 1,500,000 $ 1,700,000
Northwest Exterminating        
Business Acquisition [Line Items]        
Number of acquisitions | acquisition 23      
Number of states in which entity operates | location 5      
Number of customers | customer 120,000