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
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-Section 45
-Paragraph 1
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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
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-SubTopic 20
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-Subparagraph (a)
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Amount before 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of accumulated impairment loss for 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
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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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
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Goodwill, Net (Details) - USD ($) $ in Thousands	1 Months Ended		6 Months Ended
Goodwill, Net (Details) - USD ($) $ in Thousands	May 31, 2016	Apr. 30, 2016	Jun. 30, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Goodwill				$ 1,889,072
Accumulated impairment losses				(7,525)
Goodwill, net			$ 2,099,173	1,881,547
Acquisitions			212,450
Translation adjustments			5,176
Goodwill, net			2,099,173	1,881,547
Property Intelligence [Member]
Goodwill [Roll Forward]
Goodwill				963,680
Accumulated impairment losses				(600)
Goodwill, net			1,180,706	963,080
Acquisitions	$ 900		212,450
Translation adjustments			5,176
Goodwill, net			1,180,706	963,080
Risk Management and Work Flow [Member]
Goodwill [Roll Forward]
Goodwill				925,392
Accumulated impairment losses				(6,925)
Goodwill, net			918,467	918,467
Acquisitions			0
Translation adjustments			0
Goodwill, net			$ 918,467	$ 918,467
FNC, Inc. [Member] \| Property Intelligence [Member]
Goodwill [Roll Forward]
Acquisitions		$ 211,500