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Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets, Net

Intangible assets, net, consist of the following (in thousands):

		December 31, 2017
		Gross Carrying Value				Accumulated Amortization				Net Carrying Value
Physician and hospital agreements		$	381,635			$	(203,915	)		$	177,720
Customer relationships			443,300				(48,837	)			394,463
Trade names			43,156				(2,933	)			40,223
Patented and other technology			38,590				(11,068	)			27,522
		$	906,681			$	(266,753	)		$	639,928

		December 31, 2016
		Gross Carrying Value				Accumulated Amortization				Net Carrying Value
Physician and hospital agreements		$	347,862			$	(168,488	)		$	179,374
Customer relationships			443,300				(27,368	)			415,932
Trade names			43,156				(1,604	)			41,552
Patented and other technology			37,503				(5,832	)			31,671
		$	871,821			$	(203,292	)		$	668,529

Amortization Expenses for Existing Intangible Assets for the Next Five Years

Amortization expense for existing intangible assets for the next five years is expected to be as follows (in thousands):

2018		$	67,514
2019			62,669
2020			56,636
2021			51,069
2022			44,357

X

- Definition

Tabular disclosure of amortization expense of assets, excluding financial assets, that lack physical substance, having a limited useful life.

+ References

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X

- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ 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)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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