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Stock-Based Compensation - Narrative (Details) - Jun. 30, 2015 - USD ($) $ in Millions	Total
Restricted stock units (“RSUs”) and performance-based RSUs (“PRSUs”)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation not yet recognized, share-based awards other than options	$ 28.1
Compensation cost not yet recognized, period for recognition	2 years 5 months 5 days
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost not yet recognized, period for recognition	2 years 1 month 24 days
Compensation not yet recognized, stock options	$ 0.5

X

- 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

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

+ Details

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X

- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

No definition available.

+ Details

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

No definition available.

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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