v2.4.0.6

Open Contracts (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012
Derivative [Line Items] |
Notional Amounts (in US Dollars) | $ 180,078
Net Unrealized Gain (Loss) | (2,617)
Cash Flow Hedging | Foreign currency contracts | Currency, Australian Dollar |
Derivative [Line Items] |
Notional Amounts (in US Dollars) | 11,210
Net Unrealized Gain (Loss) | (78)
Cash Flow Hedging | Foreign currency contracts | Currency, Canadian Dollar |
Derivative [Line Items] |
Notional Amounts (in US Dollars) | 99,001
Net Unrealized Gain (Loss) | (1,185)
Cash Flow Hedging | Foreign currency contracts | Currency, Euro |
Derivative [Line Items] |
Notional Amounts (in US Dollars) | 3,130
Net Unrealized Gain (Loss) | (70)
Cash Flow Hedging | Foreign currency contracts | Currency, Japanese Yen |
Derivative [Line Items] |
Notional Amounts (in US Dollars) | 49,566
Net Unrealized Gain (Loss) | (1,817)
Cash Flow Hedging | Foreign currency contracts | Currency, Mexican Peso |
Derivative [Line Items] |
Notional Amounts (in US Dollars) | 10,647
Net Unrealized Gain (Loss) | 692
Cash Flow Hedging | Foreign currency contracts | Currency, Swedish Krone |
Derivative [Line Items] |
Notional Amounts (in US Dollars) | 6,524
Net Unrealized Gain (Loss) | $ (159)

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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 The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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