Nature Of Operations And Significant Accounting Policies (Summary Of Property, Plant And Equipment, Net) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Accounting Policies [Abstract]
Land	$ 71,250	$ 69,385
Buildings and improvements	181,228	180,909
Machinery and equipment	588,753	546,083
Gross property, plant and equipment	841,231	796,377
Less: accumulated depreciation	536,176	528,094
Property, plant and equipment, net	$ 305,055	$ 268,283

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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