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Derivative Instruments - Additional Information (Detail) In Millions, unless otherwise specified | 12 Months Ended |
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Dec. 31, 2013 Swap Agreement [Member] | Sep. 30, 2010 Cross-currency swap [Member] Designated as Hedging Instrument [Member] Pay Euros [Member] EUR (€) | Sep. 30, 2010 Cross-currency swap [Member] Designated as Hedging Instrument [Member] Receive U.S. dollars [Member] USD ($)
Derivatives, Fair Value [Line Items] |  |  |
Notional amount |  | € 28.7 | $ 39.0
Fixed rate (as a percent) |  | 5.00% | 4.635%
Swap agreement expiration date | Dec. 30, 2016 |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
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Period Type: | instant

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- Definition Date the derivative contract matures, in CCYY-MM-DD format. + References No definition available. + Details
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Period Type: | duration

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- Details
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