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Earnings Per Share - Additional Information (Detail)
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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| Computation Of Earnings Per Share Line Items | |||
| Shares excluded from the computation of earnings per share | 272 | 1,166 | 3,596 |
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Contingently Returnable Shares Issued In Connection With Acquisitions Earnings Per Share, Basic
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| Computation Of Earnings Per Share Line Items | |||
| Shares excluded from the computation of earnings per share | 1,000 | 1,300 | 100 |