Changes in Carrying Amount of Goodwill (Detail) $ in Thousands	6 Months Ended
Jun. 30, 2016 USD ($)
Goodwill [Line Items]
Goodwill	$ 1,222,601
Acquisition	625,273
Reallocation	0
Foreign exchange translation	(930)
Goodwill, net	1,846,944
Clinical and Financial Solutions [Member]
Goodwill [Line Items]
Goodwill	796,367
Acquisition	0
Reallocation	0
Foreign exchange translation	(930)
Goodwill, net	795,437
Population Health [Member]
Goodwill [Line Items]
Goodwill	426,234
Acquisition	0
Reallocation	(37,600)
Foreign exchange translation	0
Goodwill, net	388,634
Netsmart [Member]
Goodwill [Line Items]
Goodwill	0
Acquisition	625,273
Reallocation	37,600
Foreign exchange translation	0
Goodwill, net	$ 662,873

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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