Derivative Financial Instruments Balance Sheet Location (Details) (USD $)	Mar. 30, 2014	Dec. 31, 2013	Mar. 31, 2013
Derivatives, Fair Value [Line Items]
Derivative Liability	$ (27,789,000)	$ (26,662,000)	$ (31,031,000)
Derivative assets (liabilities), at fair value, net	(27,789,000)	(26,662,000)	(31,031,000)
Designated As Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative assets (liabilities), at fair value, net	(6,657,000)	(3,916,000)	(23,388,000)
Not Designated As Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative assets (liabilities), at fair value, net	(21,132,000)	(22,746,000)	(7,643,000)
Interest Rate Swap [Member] | Designated As Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability	(6,657,000)	(3,916,000)	(23,388,000)
Interest Rate Swap [Member] | Not Designated As Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability	(21,132,000)	(22,746,000)	(7,643,000)
Cash Flow Hedging [Member] | Forward-Starting Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	$ 11,800,000