Allocation of Purchase Price Value of Assets Acquired and liabilities Assumed (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Dec. 16, 2013 TLO [Member]
Business Acquisition [Line Items]
Other Current Assets			$ 0.3
Property and equipment			6.8
Identifiable intangible assets			83.4
Goodwill	1,917.2	1,909.7	68.7
Total assets acquired			159.2
Liabilities Assumed			5.8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net			$ 153.4

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Amount of assets acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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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.

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