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Realized gain on sale of debt and equity investment available for sale.

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No definition available.

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- Definition

Realized Investment Gains (Losses), Fair Value Reduction Of Contingent Liability

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No definition available.

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- Definition

Realized losses on impairment of cost basis investments.

+ References

No definition available.

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- Definition

The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a)

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

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-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 5.P.3)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

+ References

No definition available.

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- Definition

The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence.

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The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.

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- Definition

The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

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-Subparagraph (SX 210.9-04.14(d))

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-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 14

-Subparagraph d

-Article 9

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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- Definition

Consideration given by issuer of convertible debt to provide an incentive for debt holders to convert the debt to equity securities. The expense is equal to the fair value of all securities and other consideration transferred in the transaction in excess of the fair value of securities issuable pursuant to the original conversion terms.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 20

-Section 45

-Paragraph 2

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-Topic 470

-SubTopic 20

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-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=6928171&loc=d3e6835-112609

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The cash inflow associated with the sale of debt securities classified as available-for-sale securities.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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-Topic 320

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-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (a)

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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-Topic 942

-SubTopic 210

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-Subparagraph (SX 210.9-03.16)

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-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

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-Subparagraph (SX 210.7-03.16(a))

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

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Investment income - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Oct. 31, 2014	Oct. 14, 2014
Investment And Other Income [Line Items]
Proceeds from the sales of investments available-for-sale	$ 58.1	$ 82.0	$ 134.8
Realized gain from the reduction in the fair value of contingent consideration liability	5.6
Realized gain from sale of a business	3.8us-gaap_GainLossOnSaleOfBusiness
Realized gains from sale of debt and equity investments available-for-sale	1.1	2.7
Impairment of an intangible asset	1.6
Impairment of a cost basis investment	1.0	1.0	0.8
Non cash charge on early retirement of convertible senior notes		5.4
Loss on sale of equity investment		1.5
Gain on non title related insurance policy proceeds		2.3us-gaap_GainLossOnSaleOfInvestments
Realized gain on sale of real estate		1.9
Realized gain on sale of debt and equity investment available for sale			8.0
Convertible Notes Payable
Investment And Other Income [Line Items]
Convertible senior notes		37.8		27.2	27.2
Facility Closing
Investment And Other Income [Line Items]
Charges related to office closures	$ 1.9