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Stock-Based Compensation (Schedule of Stock-Based Compensation Expense) (Details) (USD $)
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12 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Pre-tax stock-based compensation expense | $ 7,833,000 | $ 7,870,000 | $ 6,730,000 |
| Income tax benefits | (2,724,000) | (2,729,000) | (2,162,000) |
| Total stock-based compensation expense, net of tax | 5,109,000 | 5,141,000 | 4,568,000 |
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Cost of Sales [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Pre-tax stock-based compensation expense | 287,000 | 282,000 | 286,000 |
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Selling, General and Administrative Expense [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Pre-tax stock-based compensation expense | $ 7,546,000 | $ 7,588,000 | $ 6,444,000 |
| X | ||||||||||
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- Definition
Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. No definition available.
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- Definition
The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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