Note 5 - Foreign Currency Hedging (Detail) - Fair Value of Foreign Currency Exchange Contracts on Condensed Consolidated Balance Sheet (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Prepaid And Other Current Assets [Member]
Euro contracts	$ 831	$ 1,837
Other Assets [Member]
Euro contracts	1,844
Accrued Liabilities [Member]
Euro contracts	2,122	4,134
Other Long-Term Liabilities [Member]
Euro contracts		$ 648

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

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

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant