Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not Expected to Vest

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- Definition

Amount of future allocated share-based compensation expense expected to be recognized in the remainder of the fiscal year following the latest fiscal year ended.

+ References

No definition available.

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- Definition

The amount of future allocated share-based compensation expense expected to be recognized in the fourth fiscal year following the latest fiscal year.

+ References

No definition available.

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- Definition

The amount of future allocated share-based compensation expense expected to be recognized in the third fiscal year following the latest fiscal year.

+ References

No definition available.

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- Definition

The amount of future allocated share-based compensation expense expected to be recognized in the second fiscal year following the latest fiscal year.

+ References

No definition available.

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- Definition

Represents the number of nonexercisable shares outstanding under the stock options as of the balance sheet date.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 64

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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-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.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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-Paragraph 2

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-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)

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-Paragraph A240

-Subparagraph b(2)(a)

-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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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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-Subparagraph (c)(1)(i)-(ii)

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-Paragraph A240

-Subparagraph b(1)(a)

-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)

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-Paragraph A240

-Subparagraph b(1)(b)

-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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Equity (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Share-Based Compensation
Share based compensation recognized	$ 3.5	$ 5.3	$ 13.9	$ 20.1
Unrecognized stock-based compensation expense	25.1		25.1
Estimated amortized share based compensation expense, remainder of 2013	3.5		3.5
Estimated amortized share based compensation expense, 2014	10.4		10.4
Estimated amortized share based compensation expense, 2015	7.2		7.2
Estimated amortized share based compensation expense, 2016	1.0		1.0
Unrecognized compensation expense not expected to vest	$ 3.0		$ 3.0
Restricted stock units
Share-Based Compensation
Units granted during period (in shares)			0.5
Units vested in period (in shares)			0.7
Outstanding at the end of the period (in shares)	0.6		0.6
Performance stock units
Share-Based Compensation
Units granted during period (in shares)			0.3
Stock options
Share-Based Compensation
Stock options outstanding at the end of the period (in shares)	1.2		1.2
Options not yet exercisable, outstanding at the end of the period (in shares)	0.5		0.5