Total Consideration Transferred to Sellers (Detail) (USD $) In Millions, unless otherwise specified	0 Months Ended
Dec. 11, 2013 Amba	Jun. 26, 2014 ICRA	Jul. 17, 2014 Web Equity Solutions [Member]
Business Acquisition [Line Items]
Cash paid	$ 67.2	$ 86.0	$ 130.6
Contingent consideration arising from acquisitions, Liabilities	(4.3)
Additional purchase price on working capital	0.1
Total fair value of consideration transferred		210.9
Business Combination Fair Value Of Equity Interest	$ 71.6	$ 124.9

The amount of additional cash to be paid to sellers in 2014 based on the final working capital acquired

No definition available.

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- Definition

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares

+ References

No definition available.

+ Details

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- Definition

Fair value at acquisition-date of the assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interests issued by the acquirer, including but not limited to, instruments or interests issued or issuable in consideration for the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479

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- Definition

Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

+ References

+ Details

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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