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Goodwill And Other Intangible Assets (Narrative) (Details) (USD $)
 12 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2011
Customer Relationships [Member]
Dec. 31, 2010
Customer Relationships [Member]
Dec. 31, 2011
Technology Licenses [Member]
Dec. 31, 2010
Technology Licenses [Member]
Mar. 31, 2009
Technology Licenses [Member]
Dec. 31, 2011
Maximum [Member]
years
Dec. 31, 2011
Minimum [Member]
years
Dec. 31, 2011
Asia [Member]
Dec. 31, 2010
Asia [Member]
Dec. 31, 2009
Asia [Member]
Dec. 31, 2011
Europe [Member]
Dec. 31, 2010
Europe [Member]
Dec. 31, 2009
Europe [Member]
Goodwill [Line Items]                                
Goodwill associated with the Company's Asia business segment $ 37,912,000 $ 37,912,000                 $ 37,900,000 $ 37,900,000 $ 37,900,000      
Accumulated goodwill impairment losses                           247,500,000 247,500,000 247,500,000
Estimated useful life (Years)       10         7 3            
Amortization of other intangible assets 4,600,000 4,200,000 3,500,000                          
Other intangible assets, gross carrying amount 29,931,000 29,975,000   17,763,000 17,807,000 11,300,000 11,300,000 11,300,000                
Software and software development costs 1,900,000 2,600,000                            
Purchased software costs, capitalized 600,000 300,000 100,000                          
Accumulated amortization of purchased software costs 24,100,000 22,900,000                            
Book value of other assets held for sale $ 8,900,000 $ 8,500,000