Restructuring And Other Costs (Narrative) (Details) (USD $)	3 Months Ended	6 Months Ended	1 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Jan. 31, 2011 Former President and Chief Executive Officer [Member]	Apr. 30, 2011 Former Executive Vice President [Member]	Mar. 31, 2011 Maximum [Member]	Jun. 30, 2011 Maximum [Member]	Mar. 31, 2011 Minimum [Member]	Jun. 30, 2011 Minimum [Member]
Overall expected workforce reduction							15.00%		10.00%
Pre-tax restructuring charges	$ 1,977,000	$ 0	$ 23,341,000	$ 0	$ 2,500,000	$ 1,600,000
Restructuring and other costs, estimated costs, total								$ 28,000,000		$ 24,000,000

An estimate of the expected reductions in overall headcount in the U.S. and the consolidation of positions from various global locations; in addition, subject to employee information and consultation processes, reductions in positions in foreign countries.

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- Definition

Amount expected to be charged against earnings in the current and future periods for the specified restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 146
-Paragraph 20

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 95-3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

+ Details

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- Definition

Amount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

+ Details

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