Fair Value Measurements (Details) (Recurring basis, USD $) In Thousands	Jun. 30, 2011
Fair Value
Liabilities at fair value
Nonqualified deferred compensation	$ 2,017
Designated derivatives	555
Non-designated derivatives	764
Level 1
Liabilities at fair value
Nonqualified deferred compensation	2,017
Level 2
Liabilities at fair value
Designated derivatives	555
Non-designated derivatives	$ 764

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

Reference 2: 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=6935481&loc=SL5624163-113959

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