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Other Intangible Assets - Additional Information (Detail) (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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| Intangible Assets Goodwill And Other Assets [Line Items] | |||
| Weighted-average amortization period | 9 years | ||
| Total amortization expense for other intangible assets | $ 198,000.0 | $ 700,000.0 | $ 1,100,000 |
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- Definition
Finite Lived Intangible Assets Amortization Expense Net No definition available.
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- Details
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- Definition
Weighted average period before the next renewal or extension (both explicit and implicit) for intangible assets that have been renewed or extended, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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