Amount of net tangible assets (liabilities) acquired as part of a business combination.

No definition available.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 55

-Paragraph 37

-URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464

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- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

+ References

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- Definition

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.

+ References

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

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-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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Allocations of Purchase Price for Acquisitions and Enterprise Value of Channel Intelligence (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net assets acquired:
Goodwill	$ 264,186us-gaap_Goodwill	$ 90,466us-gaap_Goodwill	$ 87,926us-gaap_Goodwill
Nu Civic
Net assets acquired:
Goodwill	1,257
Other net assets (liabilities)	197
Purchase price allocation assets acquired	2,000
Nu Civic \| Customer lists
Net assets acquired:
Intangible assets	202
Nu Civic \| Trademarks/trade names
Net assets acquired:
Intangible assets	330
Nu Civic \| Non-compete agreements
Net assets acquired:
Intangible assets	14
Ludwig
Net assets acquired:
Goodwill	314
Purchase price allocation assets acquired	3,136
Ludwig \| Customer lists
Net assets acquired:
Intangible assets	2,658
Ludwig \| Non-compete agreements
Net assets acquired:
Intangible assets	164
KMI
Net assets acquired:
Goodwill	6,735
Other net assets (liabilities)	1,165
Purchase price allocation assets acquired	11,500
KMI \| Customer lists
Net assets acquired:
Intangible assets	2,900
KMI \| Trademarks/trade names
Net assets acquired:
Intangible assets	300
KMI \| Technology
Net assets acquired:
Intangible assets	400
Superior Access
Net assets acquired:
Goodwill		2,540
Other net assets (liabilities)		(343)
Purchase price allocation assets acquired		8,597
Superior Access \| Customer lists
Net assets acquired:
Intangible assets		4,000
Superior Access \| Trademarks/trade names
Net assets acquired:
Intangible assets		1,100
Superior Access \| Technology
Net assets acquired:
Intangible assets		$ 1,300