Stock Compensation Plans - Stock-Based Compensation Expense Included in Consolidated Statement of Income and Comprehensive Income (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Total stock-based compensation | $ 27,778 | $ 23,010 | $ 23,591 |
Less tax benefit | (8,456) | (7,228) | (7,730) |
Total stock-based compensation, net of tax | 19,322 | 15,782 | 15,861 |
Equity-based awards [Member]
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Total stock-based compensation | 23,736 | 19,716 | 20,547 |
Liability-based awards [Member]
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Total stock-based compensation | $ 4,042 | $ 3,294 | $ 3,044 |