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Share-Based Awards (Narrative) (Details) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Shares of common stock reserved for future issuance under the plan | 10.8
Stock Options [Member] | Prior to 2010 [Member] | 2009 Plan [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting Period | 4 years
Stock Options [Member] | Prior to 2010 [Member] | 2009 Plan [Member] | Vesting Period 1 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting Period | 1 year
Award Vesting Rights, Percentage | 25.00%
Stock Options [Member] | 2010 and later [Member] | 2010 Plan [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting Period | 3 years
Expiration Period | 10 years
Stock Options [Member] | 2010 and later [Member] | 2010 Plan [Member] | Vesting Period 1 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting Period | 1 year
Award Vesting Rights, Percentage | 33.00%
Stock Appreciation Rights (SARs) [Member] | Prior to 2010 [Member] | 2009 Plan [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting Period | 4 years
Stock Appreciation Rights (SARs) [Member] | Prior to 2010 [Member] | 2009 Plan [Member] | Vesting Period 1 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting Period | 1 year
Award Vesting Rights, Percentage | 25.00%
Stock Appreciation Rights (SARs) [Member] | 2010 and later [Member] | 2010 Plan [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting Period | 3 years
Expiration Period | 10 years
Stock Appreciation Rights (SARs) [Member] | 2010 and later [Member] | 2010 Plan [Member] | Vesting Period 1 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting Period | 1 year
Award Vesting Rights, Percentage | 33.00%
Restricted Stock [Member] | 2010 and later [Member] | 2010 Plan [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting Period | 3 years
Restricted Stock [Member] | 2010 and later [Member] | 2010 Plan [Member] | Minimum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting Period | 2 years
Restricted Stock [Member] | 2010 and later [Member] | 2010 Plan [Member] | Maximum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting Period | 5 years
Restricted Stock [Member] | 2010 and later [Member] | 2010 Plan [Member] | Vesting Period 1 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting Period | 1 year
Award Vesting Rights, Percentage | 33.00%
Restricted Stock Units (RSUs) [Member] | 2010 and later [Member] | 2010 Plan [Member] | Vesting Period 1 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Award Vesting Rights, Percentage | 33.00%

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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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 + Details
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- Definition Percentage of vesting of 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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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. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Details
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