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Goodwill and Other Intangible Assets (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Schedule of Finite and Indefinite-Lived Intangible Assets [Line Items]    
Accumulated Amortization $ (97,953) $ (87,793)
Net Carrying Amount 168,823  
Gross carrying amount 311,976 311,941
Total acquired intangible assets 214,023 224,148
Trade names    
Schedule of Finite and Indefinite-Lived Intangible Assets [Line Items]    
Trade name (Indefinite lived) $ 45,200 45,200
Facility management contracts and customer relationships    
Schedule of Finite and Indefinite-Lived Intangible Assets [Line Items]    
Weighted Average Useful Life 15 years 7 months 6 days  
Gross Carrying Amount $ 233,076 233,041
Accumulated Amortization (79,377) (71,538)
Net Carrying Amount $ 153,699 161,503
Technology    
Schedule of Finite and Indefinite-Lived Intangible Assets [Line Items]    
Weighted Average Useful Life 7 years 3 months 18 days  
Gross Carrying Amount $ 33,700 33,700
Accumulated Amortization (18,576) (16,255)
Net Carrying Amount $ 15,124 $ 17,445