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Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Schedule of intangible assets
Intangible assets, gross carrying amount	$ 387,297	$ 387,269
Accumulated Amortization	(228,602)	(221,145)
Total acquired intangible assets, Net carrying amount	158,695	166,124
Net Carrying Amount	113,495
Trade names
Schedule of intangible assets
Indefinite lived intangible assets	45,200	45,200
Facility management contracts
Schedule of intangible assets
Gross Carrying Amount	308,397	308,369
Accumulated Amortization	(196,317)	(189,163)
Net Carrying Amount	$ 112,080	119,206
Amortization period	16 years 3 months 18 days
Technology
Schedule of intangible assets
Gross Carrying Amount	$ 33,700	33,700
Accumulated Amortization	(32,285)	(31,982)
Net Carrying Amount	$ 1,415	$ 1,718
Amortization period	7 years 3 months 18 days

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