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Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Schedule of Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Accumulated Amortization | $ (138,861) | $ (132,779)
Net Carrying Amount | 204,116 |
Gross carrying amount | 388,177 | 388,118
Total acquired intangible assets | 249,316 | 255,339
Trade names |  |
Schedule of Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Trade name (Indefinite lived) | $ 45,200 | 45,200
Facility management contracts |  |
Schedule of Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 16 years 3 months |
Gross Carrying Amount | $ 308,577 | 308,518
Accumulated Amortization | (111,900) | (106,724)
Net Carrying Amount | $ 196,677 | 201,794
Covenants not to compete |  |
Schedule of Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 1 year |
Gross Carrying Amount | $ 700 | 700
Accumulated Amortization | (692) | (517)
Net Carrying Amount | $ 8 | 183
Technology |  |
Schedule of Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Weighted Average Useful Life | 7 years 3 months |
Gross Carrying Amount | $ 33,700 | 33,700
Accumulated Amortization | (26,269) | (25,538)
Net Carrying Amount | $ 7,431 | $ 8,162

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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