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Contract Costs - Additional Information (Detail) (USD $)
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3 Months Ended | 6 Months Ended | |||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
Project
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Jun. 30, 2012
Project
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Dec. 31, 2012
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| Contractors [Abstract] | |||||
| Pass-through costs as a percentage of revenue | 53.10% | 42.10% | 54.70% | 39.10% | |
| Prepaid subcontractor costs | $ 34,972,000 | $ 34,972,000 | $ 33,145,000 | ||
| Total revenue recorded in relation to orders change in projects | $ 1,700,000 | $ 2,100,000 | |||
| Number of projects orders changed | 2 | 2 | |||
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- Definition
Number of customer projects that included a change order. No definition available.
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- Definition
Pass through costs as percent of revenue No definition available.
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- Definition
Revenue earned during the period arising from products sold or services provided related to additional work scope not specified in the original customer contract. No definition available.
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- Details
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- Definition
Carrying amount as of the balance sheet date of expenditures made, not otherwise specified in the taxonomy, in advance of the timing of recognition of expenses which are expected to be charged against earnings within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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