The calculated weighted-average amortization period of a major class of finite-lived intangible assets acquired during the current period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 44

-Subparagraph a(3)

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 30

-Section 50

-Paragraph 1

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Statement of Financial Accounting Standard (FAS)

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The amount of acquisition cost of a business combination allocated to current assets.

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- Definition

Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

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

-Publisher FASB

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The amount of acquisition cost of a business combination allocated to liabilities assumed.

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-Name Statement of Financial Accounting Standard (FAS)

-Number 141

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-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 98-1

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The amount of acquisition cost of a business combination allocated to noncurrent assets.

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- Definition

The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 37

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The amount of indemnification assets (amounts to be reimbursed if and when certain assumed liabilities are paid) recognized at the acquisition date of a business combination.

+ 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 (a)(1)

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Acquisitions (Summary Of Fair Values Of Assets Acquired And Liabilities Assumed) (Details) (USD $) In Millions, unless otherwise specified		10 Months Ended					1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended
	Nov. 04, 2011 Copal Partners [Member]	Nov. 04, 2011 Copal Partners [Member] Trade Names [Member] Y	Nov. 04, 2011 Copal Partners [Member] Customer (Client) Relationships [Member] Y	Nov. 04, 2011 Copal Partners [Member] Other Intangibles [Member] Y	Nov. 04, 2011 Copal Partners [Member] Total Intangible Assets [Member] Y	Dec. 16, 2011 Barrie & Hibbert Limited [Member]	Dec. 31, 2011 Barrie & Hibbert Limited [Member] Trade Names [Member] Y	Dec. 16, 2011 Barrie & Hibbert Limited [Member] Trade Names [Member]	Dec. 31, 2011 Barrie & Hibbert Limited [Member] Customer (Client) Relationships [Member] Y	Dec. 16, 2011 Barrie & Hibbert Limited [Member] Customer (Client) Relationships [Member]	Dec. 31, 2011 Barrie & Hibbert Limited [Member] Software [Member] Y	Dec. 16, 2011 Barrie & Hibbert Limited [Member] Software [Member]	Dec. 31, 2011 Barrie & Hibbert Limited [Member] Other Intangibles [Member] Y	Dec. 16, 2011 Barrie & Hibbert Limited [Member] Other Intangibles [Member]	Dec. 31, 2011 Barrie & Hibbert Limited [Member] Total Intangible Assets [Member] Y
Business Acquisition [Line Items]
Current assets	$ 15.5					$ 15.2
Property and equipment, net	0.5					0.7
Total intangible assets	79.2	8.6	66.2	4.4		27.1		1.9		8.3		16.8		0.1
Goodwill	143.4					54.6
Indemnification asset	18.8
Other assets	6.6
Liabilities assumed	(64.2)					(18.1)
Net assets acquired	$ 199.8					$ 79.5
Weighted average life of intangible assets acquired (in years)		15	16	2	15		5		18		7		2		12