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Change in Carrying Amount of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified |
6 Months Ended |
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Jun. 30, 2013
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| Goodwill [Line Items] | |
| Beginning balance | $ 134,025 |
| Goodwill acquired | 5,601 |
| Other | 40 |
| Ending balance | $ 139,666 |
| X | ||||||||||
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount of other (increase) decrease of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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