Long-Term Debt Redemption of Senior Notes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended			1 Months Ended			1 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013 6.20% Senior Notes [Member] Interest Rate Swap [Member]	Oct. 24, 2013 Subsequent Event [Member]	Oct. 24, 2013 Subsequent Event [Member] Incremental Term Loans [Member]	Oct. 24, 2013 Subsequent Event [Member] 6.20% Senior Notes [Member] Interest Rate Swap [Member]	Oct. 24, 2013 Subsequent Event [Member] Term Loan, 2013 [Member]	Oct. 24, 2013 Loss on early extinguishment of debt [Member] Subsequent Event [Member] 6.20% Senior Notes [Member]	Oct. 24, 2013 Loss on early extinguishment of debt [Member] Subsequent Event [Member] 6.20% Senior Notes [Member] Interest Rate Swap [Member]
Subsequent Event [Line Items]
Debt Instrument, Face Amount							$ 225,000
Debt Instrument, Redemption Price, Percentage						103.80%
Derivative, Notional Amount					225,000			225,000
Loss on early extinguishment of debt	0	(49,881)	(21,019)	(75,076)					7,544
Required premium payment to redeem/purchase Senior Notes										8,439
Loss on Effect of Fair Value Adjustment on Debt										3,168
Effect on Cancellation of Fair Value Interest Rate Swaps											$ 4,063