Goodwill And Intangible Assets (Summary Of Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Indefinite-lived Intangible Assets [Line Items]
Non-amortizable intangible assets	$ 237,995	$ 9,825
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,057,408	40,298
Accumulated Amortization	(33,451)	(22,256)
Net	1,023,957	18,042
Total intangible assets, gross carrying amount	1,295,403	50,123
Accumulated Amortization	(33,451)	(22,256)
Total intangible assets, net	1,261,952	27,867
Customer relationships with hospitals [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	957,000	0
Accumulated Amortization	(9,969)	0
Net	947,031	0
Accumulated Amortization	(9,969)	0
Deferred financing cost [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	59,441	15,814
Accumulated Amortization	(3,086)	(4,953)
Net	56,355	10,861
Accumulated Amortization	(3,086)	(4,953)
Capitalized software [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	37,519	21,036
Accumulated Amortization	(17,716)	(14,831)
Net	19,803	6,205
Accumulated Amortization	(17,716)	(14,831)
Agreements, contracts, and other intangible assets
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,448	3,448
Accumulated Amortization	(2,680)	(2,472)
Net	768	976
Accumulated Amortization	(2,680)	(2,472)
Trade name [Member]
Indefinite-lived Intangible Assets [Line Items]
Non-amortizable intangible assets	228,000	0
Restrictive covenant arrangements [Member]
Indefinite-lived Intangible Assets [Line Items]
Non-amortizable intangible assets	$ 9,995	$ 9,825