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Stock-Based Compensation (Summary Of Stock-Based Compensation Expense) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
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Mar. 31, 2015
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Mar. 31, 2014
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Stock-based compensation expense | $ 2,946us-gaap_ShareBasedCompensation | $ 2,577us-gaap_ShareBasedCompensation |
| Employee Stock Options [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Stock-based compensation expense |
916us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
881us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
| Restricted Stock Units [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Stock-based compensation expense |
$ 2,030us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
$ 1,696us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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