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Receivables (Details) (USD $)
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Dec. 31, 2012
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Dec. 31, 2011
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| Components of Receivables [Abstract] | ||
| Total receivables, net | $ 90,621,000 | $ 117,568,000 |
| Government contracts receivable | $ 7,100,000 | $ 5,500,000 |
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- Definition
Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of receivables that are derived from government contracts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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