Derivative Instruments and Hedges (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Nondesignated [Member] \| Forward Contracts [Member]
The fair value of forward exchange contracts not designated as hedging instruments and interest rate swaps in cash flow hedging relationships
Current derivative assets	$ 5,181	$ 4,397
Noncurrent derivative assets	0	50
Current derivative liabilities	8,657	2,949
Noncurrent derivative liabilities	1,130	473
Cash Flow Hedging [Member] \| Interest Rate Swap [Member]
The fair value of forward exchange contracts not designated as hedging instruments and interest rate swaps in cash flow hedging relationships
Current derivative assets	3	0
Noncurrent derivative assets	49	608
Current derivative liabilities	1,220	1,232
Noncurrent derivative liabilities	$ 941	$ 3

Fair values as of the balance sheet date for all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments and which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements.

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- Definition

Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments which are expected to exist longer than one year or beyond the normal operating cycle, if longer, net of the effects of master netting arrangements.

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- Definition

Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements.

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- Definition

Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and which are expected to be extinguished or otherwise disposed of after one year or beyond the normal operating cycle, if longer, net of the effects of master netting arrangements.

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