Goodwill And Other Intangible Assets (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Goodwill And Other Intangible Assets [Line Items]
Goodwill associated with the Company's Asia business segment	$ 37,912,000	$ 37,912,000
Amortization of other intangible assets	2,700,000	4,600,000	4,200,000
Purchased software costs, capitalized	1,124,000	601,000	261,000
Purchase software, net of accumulated amortization	1,900,000	1,900,000
Accumulated amortization of purchased software costs	24,100,000	24,100,000
Book value of other assets held for sale	8,900,000	8,900,000
Customer Relationships [Member]
Goodwill And Other Intangible Assets [Line Items]
Estimated useful life	10 years
Asia [Member]
Goodwill And Other Intangible Assets [Line Items]
Goodwill associated with the Company's Asia business segment	$ 37,900,000	$ 37,900,000	$ 37,900,000
Minimum [Member] | Capitalized Purchased Software Costs [Member]
Goodwill And Other Intangible Assets [Line Items]
Estimated useful life	3 years
Maximum [Member] | Capitalized Purchased Software Costs [Member]
Goodwill And Other Intangible Assets [Line Items]
Estimated useful life	7 years