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Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 People | Dec. 31, 2012 | Dec. 31, 2011 | Sep. 26, 2011
Leases [Abstract] |  |  |  |
Expiration of non-cancellable operating leases | through 2022 |  |  |
Accrued lease commitments expense | $ 6.4 |  |  |
Estimated sublease income | 4.8 |  |  |
Rent expense under operating leases | 2.4 | 2.7 | 2.8 |
Incentives per square feet | 40.00 |  |  |
Incentives for improvements to space | 2.2 |  |  |
Amount received to start-up new facility |  |  |  | $ 1.0
Minimum number of people to be employed | 232 |  |  |
Time period to meet employment commitment | 3 years |  |  |

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- Definition Conditional lease incentive amount for improvement of space. + References No definition available. + Details
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- Definition Incentives price per square foot. + References No definition available. + Details
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- Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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