Derivative Financial Instruments Schedule of Derivatives (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended						3 Months Ended		9 Months Ended		12 Months Ended																	3 Months Ended		9 Months Ended		12 Months Ended						3 Months Ended		9 Months Ended		12 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended		3 Months Ended		9 Months Ended	12 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014 Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 12 [Member]	Sep. 28, 2014 Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 13 [Member]	Sep. 28, 2014 Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 14 [Member]	Sep. 28, 2014 Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 15 [Member]	Sep. 28, 2014 Interest Rate Swap [Member]	Sep. 29, 2013 Interest Rate Swap [Member]	Sep. 28, 2014 Interest Rate Swap [Member]	Sep. 29, 2013 Interest Rate Swap [Member]	Sep. 28, 2014 Interest Rate Swap [Member]	Sep. 29, 2013 Interest Rate Swap [Member]	Sep. 28, 2014 Cash Flow Hedging [Member] Forward-Starting Interest Rate Swap [Member]	Sep. 28, 2014 Cash Flow Hedging [Member] Forward-Starting Interest Rate Swap [Member] 2013 forwards [Member] contract	Sep. 28, 2014 Not Designated As Hedging [Member]	Sep. 28, 2014 Not Designated As Hedging [Member] Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 1 [Member]	Sep. 28, 2014 Not Designated As Hedging [Member] Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 2 [Member]	Sep. 28, 2014 Not Designated As Hedging [Member] Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 3 [Member]	Sep. 28, 2014 Not Designated As Hedging [Member] Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 4 [Member]	Sep. 28, 2014 Not Designated As Hedging [Member] Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 5 [Member]	Sep. 28, 2014 Not Designated As Hedging [Member] Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 6 [Member]	Sep. 28, 2014 Not Designated As Hedging [Member] Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 7 [Member]	Sep. 28, 2014 Not Designated As Hedging [Member] Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 8 [Member]	Sep. 28, 2014 Not Designated As Hedging [Member] Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 9 [Member]	Sep. 28, 2014 Not Designated As Hedging [Member] Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 10 [Member]	Sep. 28, 2014 Not Designated As Hedging [Member] Forward-Starting Interest Rate Swap [Member] Forward Starting Interest Rate Swap 11 [Member]	Sep. 28, 2014 Designated As Hedging [Member]	Sep. 28, 2014 Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 29, 2013 Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 28, 2014 Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 29, 2013 Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 28, 2014 Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 29, 2013 Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Mar. 31, 2013 Notes Payable Due 2021 [Member] [Domain] Senior Unsecured Notes [Member]	Mar. 31, 2013 Credit Agreement 2013 [Member] [Domain]	Sep. 28, 2014 Credit Agreement 2013 [Member] [Domain] Senior Secured Term Loan [Member]	Mar. 31, 2013 Credit Agreement 2013 [Member] [Domain] Senior Secured Term Loan [Member]	Sep. 28, 2014 Interest Expense [Member] Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 29, 2013 Interest Expense [Member] Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 28, 2014 Interest Expense [Member] Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 29, 2013 Interest Expense [Member] Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 28, 2014 Interest Expense [Member] Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 29, 2013 Interest Expense [Member] Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 28, 2014 Net Effect of Swaps [Member] Not Designated As Hedging [Member]	Sep. 29, 2013 Net Effect of Swaps [Member] Not Designated As Hedging [Member]	Sep. 28, 2014 Net Effect of Swaps [Member] Not Designated As Hedging [Member]	Sep. 29, 2013 Net Effect of Swaps [Member] Not Designated As Hedging [Member]	Sep. 28, 2014 Net Effect of Swaps [Member] Not Designated As Hedging [Member]	Sep. 29, 2013 Net Effect of Swaps [Member] Not Designated As Hedging [Member]	Sep. 28, 2014 Net Effect of Swaps [Member] Not Designated As Hedging [Member] Interest Rate Swap [Member]	Sep. 29, 2013 Net Effect of Swaps [Member] Not Designated As Hedging [Member] Interest Rate Swap [Member]	Sep. 29, 2013 Net Effect of Swaps [Member] Not Designated As Hedging [Member] Interest Rate Swap [Member]	Sep. 28, 2014 Net Effect of Swaps [Member] Not Designated As Hedging [Member] Interest Rate Swap [Member]	Sep. 29, 2013 Net Effect of Swaps [Member] Not Designated As Hedging [Member] Interest Rate Swap [Member]	Sep. 28, 2014 Net Effect of Swaps [Member] Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 29, 2013 Net Effect of Swaps [Member] Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 28, 2014 Net Effect of Swaps [Member] Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 29, 2013 Net Effect of Swaps [Member] Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 28, 2014 Net Effect of Swaps [Member] Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Sep. 29, 2013 Net Effect of Swaps [Member] Designated As Hedging [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net																																$ 1,235,000	$ (5,483,000)	$ (6,129,000)	$ (3,217,000)	$ (4,562,000)	$ (769,000)
Derivative, Net Hedge Ineffectiveness Gain (Loss)																																																											0	0	0	3,703,000	0	3,703,000
Derivative Instruments, Gain (Loss) Recognized in Income, Net																																																3,073,000	609,000	6,991,000	130,000	10,408,000	130,000	3,073,000	609,000	130,000	10,408,000	130,000
Notional amount							200,000,000	100,000,000	100,000,000	100,000,000									800,000,000	200,000,000	150,000,000	75,000,000	70,000,000	50,000,000	50,000,000	50,000,000	50,000,000	50,000,000	30,000,000	25,000,000	500,000,000
Fixed interest rate							3.00%	3.00%	2.996%	2.70%										2.27%	2.427%	2.298%	2.54%	2.54%	2.54%	2.427%	2.293%	2.293%	2.54%	2.298%	2.94%
Average rate																		2.94%	2.38375%
Debt Instrument, Face Amount																																						500,000,000	885,000,000		630,000,000
Net effect of swaps	1,087,000	(1,377,000)	1,031,000	(8,315,000)	2,463,000	(8,141,000)
Derivative, amount of hedged item																		500,000,000
Debt Instrument, Interest Rate, Stated Percentage																																						5.25%
Number of derivative instruments																		4
Debt instrument, LIBOR floor, decrease to percent	1.00%		1.00%		1.00%
Debt instrument, LIBOR floor, decrease from percent	1.50%		1.50%		1.50%
Interest rate LIBOR floor																																								0.75%
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax																	7,800,000
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net				7,800,000		7,800,000
Amortization of Deferred Hedge Gains											2,000,000	2,000,000	6,000,000	4,300,000	7,900,000	4,100,000
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net																																										0	0	0	(2,797,000)	0	(5,820,000)
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net																			$ 7,800,000												$ 0