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Property, Equipment and Software - Additional Information (Detail) (USD $)
In Millions, 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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| Property, Plant and Equipment [Abstract] | |||
| Depreciation and amortization expense for property, equipment and software | $ 15.1 | $ 14.2 | $ 12.9 |
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- Definition
The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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