Property And Equipment, Net (Schedule Of Property And Equipment, Net) (Detail) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property and equipment gross	$ 547,300,000	$ 475,700,000
Less accumulated depreciation	(259,800,000)	(212,700,000)
Property and equipment, net	287,529,000	263,007,000
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment gross	4,600,000	4,700,000
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment gross	13,500,000	12,500,000
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment gross	439,000,000	381,600,000
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment gross	$ 90,200,000	$ 76,900,000

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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