Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS (Details)

v3.8.0.1
ACQUISITIONS (Details)
customer in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
acquisition
customer
Dec. 31, 2016
USD ($)
acquisition
Dec. 31, 2015
USD ($)
Business Acquisition [Line Items]      
Number of acquisitions | acquisition 23 34  
Cash purchase price for acquisitions $ 130,200 $ 46,300  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]      
Materials and supplies 14,983 13,724  
Equipment and property, net 134,088 133,477  
Goodwill 346,514 255,665 $ 249,939
Customer contracts 152,869 117,466  
Other intangible assets 61,548 44,310  
Current liabilities $ (294,569) (276,991)  
Northwest Exterminating      
Business Acquisition [Line Items]      
Number of customers | customer 120    
Business acquisitions      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]      
Accounts receivable, net $ 3,836 3,334  
Materials and supplies 312 353  
Equipment and property, net 3,027 4,525  
Goodwill 87,261 6,468  
Customer contracts 60,695 49,365  
Other intangible assets 20,086 1,285  
Current liabilities (30,344) (10,809)  
Other assets and liabilities, net 1,209 (594)  
Total consideration paid 146,082 53,927  
Less: Contingent consideration liability (15,893) (7,619)  
Total cash purchase price $ 130,189 $ 46,308