Property And Equipment, Net (Schedule Of Property And Equipment, Net) (Detail) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Property and Equipment [Line Items]
Property and equipment	$ 857,000,000	$ 631,100,000
Less accumulated depreciation and amortization	(352,700,000)	(280,900,000)
Property and equipment, net	504,313,000	350,192,000
Land [Member]
Property and Equipment [Line Items]
Property and equipment	4,800,000	4,800,000
Building and Leasehold Improvements [Member]
Property and Equipment [Line Items]
Property and equipment	18,100,000	15,400,000
Machinery and Equipment [Member]
Property and Equipment [Line Items]
Property and equipment	728,700,000	521,500,000
Office Furniture and Equipment [Member]
Property and Equipment [Line Items]
Property and equipment	$ 105,400,000	$ 89,400,000