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Derivative Instruments and Hedging Activities - Balance Sheet Location and Fair Values of Derivative Instruments (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Assets |  |
Total assets | $ 32 |
Liabilities |  |
Total liabilities | 44 | 353
Designated as hedging instrument [Member] | Prepaid expenses and other [Member] |  |
Assets |  |
Derivative assets | 7 |
Designated as hedging instrument [Member] | Accrued liabilities [Member] |  |
Liabilities |  |
Derivative Liabilities |  | 197
Not designated as hedging instrument [Member] | Prepaid expenses and other [Member] |  |
Assets |  |
Derivative assets | 25 |
Not designated as hedging instrument [Member] | Accrued liabilities [Member] |  |
Liabilities |  |
Derivative Liabilities | $ 44 | $ 156

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- Definition Fair value as of the balance sheet date of all foreign currency derivative assets 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 foreign currency derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets on the balance sheet. + 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 interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities on the balance sheet. + 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) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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