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Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Schedule of intangible assets
Intangible assets, gross carrying amount	$ 387,236	$ 387,332
Accumulated Amortization	(193,971)	(177,262)
Total acquired intangible assets, Net carrying amount	193,265	210,070
Net Carrying Amount	148,065
Trade names
Schedule of intangible assets
Indefinite lived intangible assets	45,200	45,200
Facility management contracts
Schedule of intangible assets
Gross Carrying Amount	308,336	308,432
Accumulated Amortization	(163,671)	(148,171)
Net Carrying Amount	$ 144,665	160,261
Amortization period	16 years 3 months 18 days
Technology
Schedule of intangible assets
Gross Carrying Amount	$ 33,700	33,700
Accumulated Amortization	(30,300)	(29,091)
Net Carrying Amount	$ 3,400	$ 4,609
Amortization period	7 years 3 months 18 days

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