Accelerated Vesting Conditions, Stock Options, Effective Period

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- Definition

Accelerated Vesting Conditions, Stock Options, Employee Age

+ References

No definition available.

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- Definition

Maximum percentage applicable to performance based restricted stock units awarded based on the level of achievement of specified conditions at the vesting date.

+ References

No definition available.

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- Definition

Minimum percentage applicable to performance based restricted stock units awarded based on the level of achievement of specified conditions at the vesting date.

+ References

No definition available.

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- Definition

The number of outstanding performance share units that could be awarded based on performance as of the end of the reporting period.

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No definition available.

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- Definition

Performance-based restricted stock units granted during the period.

+ References

No definition available.

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- Definition

Percentage applicable to performance based restricted stock units awarded based on the threshold level of achievement of specified conditions at end of period.

+ References

No definition available.

+ Details

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- Definition

The number of outstanding performance share units at the threshold award level as of the end of the reporting period.

+ References

No definition available.

+ Details

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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.

+ References

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

An entity expecting to repurchase shares in the following period, generally discloses an estimate of the amount or range of shares to be repurchased.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (l)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Stock-Based Compensation (Narrative) (Details) shares in Millions, $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2016 shares	Dec. 31, 2015 USD ($) shares	Dec. 31, 2014 USD ($) shares	Dec. 31, 2013 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number		1.2	2.6
Share-based Compensation Arrangement by Share-based Payment Award, Shares to be Repurchased Next Year	0.5
Stock-based compensation expense \| $		$ 29.2	$ 29.9	$ 37.2
Stock Options [Member]
Accelerated Vesting Conditions, Stock Options, Effective Period		1
Accelerated Vesting Conditions, Stock Options, Employee Age		65
2003 Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number		0.9
Performance Based Restricted Stock Units [Member]
Performance-based stock units awarded		0.7	0.7	0.9
Shares entitled to recipients		2.8
Percentage of units granted assumed		100.00%
Percentage of units that are earned, minimum		0.00%
Percentage of units that are earned, maximum		200.00%
Performance-based stock, outstanding		1.7
Restricted Stock Units (RSU) [Member]
Vesting period, years		3 years
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized \| $		$ 44.8
Share-based Compensation Not Yet Recognized, Weighted Average Period		2 years
2010 Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number		0.3
Minimum [Member] \| Stock Options [Member]
Vesting period, years		3 years
Minimum [Member] \| Stock Price Based RSU [Member]
Vesting period, years		1 year
Minimum [Member] \| Restricted Stock Units (RSU) [Member]
Vesting period, years		1 year
Maximum [Member] \| Stock Price Based RSU [Member]
Vesting period, years		7 years
Maximum [Member] \| Restricted Stock Units (RSU) [Member]
Vesting period, years		3 years