Exit Activity Costs And Asset Impairments (Summary Of Exit Activity Costs And Asset Impairments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Restructuring Cost and Reserve [Line Items]
Total exit activity costs and asset impairments	$ 1,780	$ 868
Cost Of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Total exit activity costs and asset impairments	1,766	858
Selling, General, And Administrative Expense [Member]
Restructuring Cost and Reserve [Line Items]
Total exit activity costs and asset impairments	$ 14	$ 10

The charge against earnings in the period, comprised of costs incurred associated with an exit or disposal activity other than for a discontinued operations as defined under generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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