Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 44C

-Subparagraph a

-Clause 1

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 205G

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Name:	us-gaap_DerivativeFairValueOfDerivativeLiability
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Foreign Currency Exposures and Derivative Instruments (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011 Not Designated [Member] Other Current Assets [Member]	Dec. 31, 2010 Not Designated [Member] Other Current Assets [Member]	Sep. 30, 2011 Not Designated [Member] Accrued Expenses [Member]	Dec. 31, 2010 Not Designated [Member] Accrued Expenses [Member]
Fair value of the Company's derivative assets and liabilities on its consolidated and condensed balance sheets
Derivative Assets, (Reported in Prepaid Expenses and Other Current Assets)					$ 354	$ 133
Derivative Liabilities, (Reported in Accrued Expenses)							(563)	0
Effect of net realized and unrealized gains and losses relating to the Company's foreign exchange option contracts, on its results of operations
(Loss) gain on foreign exchange option contracts not designated	$ (123)	$ (225)	$ (494)	$ 367