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Stock-based Compensation Plans and Awards - Schedule of stock option activity - Footnote (Details) (Stock options, USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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Stock options
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| Stock-based Compensation Plans and Awards | ||
| Fair value per share of common stock (in dollars per share) |
$ 17.83p_CommonStockFairValuePerShare / us-gaap_AwardTypeAxis = p_EmployeeAndNonEmployeeStockOptionsMember |
$ 26.60p_CommonStockFairValuePerShare / us-gaap_AwardTypeAxis = p_EmployeeAndNonEmployeeStockOptionsMember |
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- Definition
Represents the fair value per share of the common stock of the reporting entity. No definition available.
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- Details
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