Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting, Number of Installments

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Periodic Period

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Counted in Share Pool

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants on Date of Annual Meeting

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants to Lead Director

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Initial Grants to Each Director

+ 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

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-Name Accounting Standards Codification

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-SubTopic 10

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

Aggregate number of common shares reserved for future issuance.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.29)

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Subparagraph (a)(1)

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- Definition

Percentage of vesting of share-based compensation awards.

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-Publisher FASB

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- Definition

Discount rate from fair value on offering date that participants pay for shares.

+ 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).

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-Topic 718

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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.

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

+ References

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Share-Based Compensation (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended			0 Months Ended	1 Months Ended		0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	May 30, 2013	May 31, 2014	May 31, 2000	Apr. 30, 1998	Feb. 28, 2009	Dec. 31, 2007	Apr. 30, 2004	May 31, 2001	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair aalue	$ 12.34	$ 13.76	$ 8.95
Intrinsic value, exercised in period	$ 8.2	$ 43.5	$ 10.4
Total unrecognized compensation costs related to non-vested share-based compensation.	33.6
Weighted average period over which costs will be recognized	1 year 5 months 12 days
Plan 2013 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option term	10 years
Periodic period for vesting term	3 years
Number of shares authorized				13,166,879
Common stock available for issuance				3,700,000
Number of shares in pool				1.7	1.98
Vesting rights percentage	25.00%
Vesting period	1 year
Initial grants to each director	320,000
Grants on date of annual meeting	215,000
Grants to lead director	5,000
Number of vesting installments	36
Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option term	10 years
Periodic period for vesting term	3 years
Number of shares authorized								1,500,000
Vesting rights percentage	25.00%
Vesting period	1 year
Stock issued	69,671
Plan 2007 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option term	10 years
Periodic period for vesting term	3 years
Number of shares authorized									1,700,000
Vesting rights percentage	25.00%
Vesting period	1 year
Stock issued	24,700
Plan 2004 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized										13,900,000
Vesting rights percentage	25.00%
Recorded stock-based compensation expense	0.3	6.1	4.7
Total unrecognized compensation costs related to non-vested share-based compensation.	6.4
Weighted average period over which costs will be recognized	1 year 1 month 17 days
Shares vested in period, fair value	7.1	7.5	4.0
Awarded	12,290,910
Options outstanding	5,294,384
Plan 2001 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	11,500
Number of shares authorized											1,250,000
Stock issued	1,099,241
ESPP 2010 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized													1,000,000
Stock issued	155,867	121,845
Recorded stock-based compensation expense	1.2	1.0
Percentage discount from offering date						85.00%
Maximum employee subscription rate												5.00%
Available for future grant	388,340
ESPP 2000 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized						805,500
Stock issued	805,437
Percentage discount from offering date						85.00%
Maximum employee subscription rate						5.00%
Plan 1998 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option term							10 years
Periodic period for vesting term							4 years
Options outstanding	24,490
Number of shares authorized							6,118,259
Stock issued	5,046,587
Director Plan 2000 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	0
Stock issued	177,086
Restricted Stock and ESPP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recorded stock-based compensation expense	34.3	23.0	15.0
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option term	10 years
Periodic period for vesting term	4 years
Options granted	2,825,451	2,263,649	1,619,702
Options outstanding	8,984,763	7,616,404	9,112,032											9,136,677
Recorded stock-based compensation expense	$ 32.8	$ 15.9	$ 9.6
Available for future grant	2,656,366
Stock Options [Member] \| Plan 2013 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted	3,902,596
Options outstanding	3,560,018