Annual report pursuant to Section 13 and 15(d)

CUSTOMER CONTRACTS AND OTHER INTANGIBLE ASSETS (Details)

v3.6.0.2
CUSTOMER CONTRACTS AND OTHER INTANGIBLE ASSETS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Finite-lived intangible assets      
Finite-lived intangible assets, net $ 117,466 $ 92,815  
Other intangible assets      
Finite and infinite lived intangible assets, gross 44,310 46,116  
Finite and infinite lived intangible assets, net 161,776 138,931  
Total amortization expense 26,200 25,200 $ 26,900
Non-amortizable, indefinite lived intangible assets 29,700 29,700  
Customer Contracts [Member]      
Finite-lived intangible assets      
Finite-lived intangible assets, gross 251,194 214,201  
Less: Accumulated amortization (133,728) (121,386)  
Finite-lived intangible assets, net $ 117,466 92,815  
Patents [Member]      
Finite and Indefinite Lived Intangible Assets by Major Class [Domain]      
Useful life of intangible assets 15 years    
Intangible Assets Excluding Goodwill and Customer Contracts [Member]      
Finite-lived intangible assets      
Less: Accumulated amortization $ (12,627) (10,375)  
Other intangible assets      
Finite and infinite lived intangible assets, gross 56,937 56,491  
Finite and infinite lived intangible assets, net 44,310 46,116  
Trademarks and Tradenames [Member]      
Other intangible assets      
Finite and infinite lived intangible assets, net 32,700 32,800  
International franchises [Member] | Customer Contracts [Member]      
Finite-lived intangible assets      
Finite-lived intangible assets, net 29,700 14,900  
Other intangible assets      
Finite and infinite lived intangible assets, net $ 3,800 $ 4,200  
Minimum [Member] | Customer Contracts [Member]      
Finite and Indefinite Lived Intangible Assets by Major Class [Domain]      
Useful life of intangible assets 7 years    
Minimum [Member] | Noncompete Agreements [Member]      
Finite and Indefinite Lived Intangible Assets by Major Class [Domain]      
Useful life of intangible assets 3 years    
Maximum [Member] | Customer Contracts [Member]      
Finite and Indefinite Lived Intangible Assets by Major Class [Domain]      
Useful life of intangible assets 20 years    
Maximum [Member] | Noncompete Agreements [Member]      
Finite and Indefinite Lived Intangible Assets by Major Class [Domain]      
Useful life of intangible assets 20 years