Derivative Financial Instruments Income Statement Location (Details) (USD $)	3 Months Ended				9 Months Ended				12 Months Ended
	Sep. 29, 2013		Sep. 30, 2012		Sep. 29, 2013		Sep. 30, 2012		Sep. 29, 2013		Sep. 30, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Gain on ineffective portion of derivatives							$ (1,300,000)
Foreign currency gain (loss)							(200,000)				(400,000)
Net effect of swaps	1,377,000		(175,000)		8,315,000		(1,318,000)		8,141,000		(10,930,000)
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amortization of Deferred Hedge Gains	2,000,000		(200,000)		4,300,000		200,000		4,100,000		(100,000)
Designated As Hedging [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	(5,483,000)		438,000		(3,217,000)		(2,308,000)		(769,000)		(873,000)
Designated As Hedging [Member] | Interest Rate Swap [Member] | Interest Expense [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0		(2,990,000)		(2,797,000)		(9,004,000)		(5,820,000)		(12,027,000)
Designated As Hedging [Member] | Interest Rate Swap [Member] | Net Effect of Swaps [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Net Hedge Ineffectiveness Gain (Loss)	0		0		3,703,000		0		3,703,000		4,797,000
Not Designated As Hedging [Member] | Net Effect of Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative recognized in income	(609,000)		0		(130,000)		(1,279,000)		(130,000)		(5,646,000)
Not Designated As Hedging [Member] | Interest Rate Swap [Member] | Net Effect of Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative recognized in income	(609,000)	[1]	0	[1]	(130,000)	[2]	0	[2]	(130,000)	[1]	0	[1]
Not Designated As Hedging [Member] | Foreign Currency Swap [Member] | Net Effect of Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative recognized in income					0		(6,278,000)		0		(10,129,000)
Not Designated As Hedging [Member] | Cross-Currency Swap [Member] | Net Effect of Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative recognized in income					0	[3]	4,999,000	[3]	0	[4]	4,483,000	[4]
September 2010 and March 2011 Swaps [Member] | Forward Starting Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net effect of swaps					$ (3,300,000)

[1] The May 2011 interest rate swaps were de-designated in March 2013. The Combination Swaps were de-designated in July 2013.

[2] (2)The May 2011 interest rate swaps were de-designated in March 2013. The Combination Swaps were de-designated in July 2013.

[3] (1)The cross-currency swaps became ineffective and were de-designated in August 2009

[4] The cross-currency swaps became ineffective and were de-designated in August 2009.