Long-Term Debt (Schedule of Debt) (Details) (USD $)	Sep. 30, 2014	Sep. 28, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Discount	$ (16,900,000)		$ (19,800,000)
Total Long-term Debt	1,207,479,000		1,208,237,000
Less current maturities	(4,720,000)		(4,720,000)
Long-term debt, net (less current maturities)	1,202,759,000		1,203,517,000
Senior Secured Credit Facility, due Oct 2017, variable rate 3.75%
Debt Instrument [Line Items]
Debt interest rate (percent)	3.75%		3.75%
Senior secured credit facility due	463,600,000	463,600,000	467,200,000
Senior Notes due Oct 2018, at a fixed rate 9.5%
Debt Instrument [Line Items]
Debt interest rate (percent)	9.50%	9.50%	9.50%
Senior Notes due October 2018, at a fixed rate of 9.5%	$ 760,800,000	$ 760,800,000	$ 760,800,000