Financial Instruments - Fair Value Hierarchy Level for Company's Liabilities Measured (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Asset (Liability) [Member]
Fair Value Of Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swap		$ (68)
Forward foreign exchange contracts	(236)	(29)
Total	(236)	(97)
Level 1 [Member]
Fair Value Of Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swap
Forward foreign exchange contracts
Total
Level 2 [Member]
Fair Value Of Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swap		(68)
Forward foreign exchange contracts	(236)	(29)
Total	(236)	(97)
Level 3 [Member]
Fair Value Of Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swap
Forward foreign exchange contracts
Total

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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

+ Details

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- Definition

Fair value as of the balance sheet date of all foreign currency derivative liabilities designated as cash flow 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 4B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

+ Details

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- Definition

Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

+ References

+ Details

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