Stock-Based Awards Stock-Based Awards (Summary of Stock-Based Awards Granted) (Details) (USD $)
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3 Months Ended |
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Mar. 31, 2013
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Stock appreciation rights [Member]
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Number of Awards Granted | 335,999 |
Weighted Average per Share Fair Value | $ 22.62 |
Restricted stock units [Member]
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Number of Awards Granted | 158,977 |
Weighted Average per Share Fair Value | $ 59.27 |
Employee stock purchase plan options [Member]
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Number of Awards Granted | 22,232 |
Weighted Average per Share Fair Value | $ 11.32 |
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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). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The weighted average fair value at grant date for nonvested equity-based awards issued 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). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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