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Derivative Instruments and Hedging Activities - Additional Information (Detail) | 3 Months Ended | 6 Months Ended |  |  |
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Jun. 30, 2014 USD ($) | Jun. 30, 2013 USD ($) | Jun. 30, 2014 USD ($) | Jun. 30, 2013 USD ($) | Dec. 31, 2013 Not Designated As Hedging Instrument [Member] USD ($) | Dec. 31, 2013 Not Designated As Hedging Instrument [Member] CAD | Jun. 30, 2014 Designated As Hedging Instrument [Member] USD ($) | Jun. 30, 2014 Designated As Hedging Instrument [Member] CAD | Dec. 31, 2013 Designated As Hedging Instrument [Member] USD ($) | Dec. 31, 2013 Designated As Hedging Instrument [Member] CAD
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |
Notional amount of derivative contracts |  |  |  |  | $ 100,000 | 100,000 | $ 6,200,000 | 6,600,000 | $ 3,800,000 | 4,100,000
Maturity period for Canadian forward contracts |  |  | 12 months |  |  |  |  |  |  |
Gains (losses) from derivative contracts not designated as hedging instruments recognized in net sales | (200,000) | 100,000 | (100,000) | (12,000) |  |  |  |  |  |
Unrealized pretax loss on outstanding derivatives accumulated in other comprehensive loss expected to be reclassified to net sales within next 12 months | $ (100,000) |  | $ (100,000) |  |  |  |  |  |  |

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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 Maturity period for forward contracts. + References No definition available. + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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- Definition The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994 + Details
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