Derivative Financial Instruments (Details) (USD $)		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jul. 03, 2010 item	Dec. 29, 2012 Interest Rate Swap Agreements [Member] Fair Value Hedging [Member] Interest Expense [Member]	Dec. 31, 2011 Interest Rate Swap Agreements [Member] Fair Value Hedging [Member] Interest Expense [Member]	Dec. 29, 2012 Interest Rate Swap Agreements [Member] Fair Value Hedging [Member] Interest Expense [Member]	Dec. 31, 2011 Interest Rate Swap Agreements [Member] Fair Value Hedging [Member] Interest Expense [Member]	Dec. 29, 2012 Interest Rate Contract [Member] Cash Flow Hedging [Member] Interest Expense [Member]	Dec. 31, 2011 Interest Rate Contract [Member] Cash Flow Hedging [Member] Interest Expense [Member]	Dec. 29, 2012 Interest Rate Contract [Member] Cash Flow Hedging [Member] Interest Expense [Member]	Dec. 31, 2011 Interest Rate Contract [Member] Cash Flow Hedging [Member] Interest Expense [Member]	Jul. 03, 2010 2013 Swap [Member] Interest Rate Swap Agreements [Member]	Jul. 03, 2010 2014 Swap [Member] Interest Rate Swap Agreements [Member]	Dec. 29, 2012 Hedging Instrument [Member] Prepaid Expenses And Other Current Assets [Member] Interest Rate Swap Agreements [Member]	Jun. 30, 2012 Hedging Instrument [Member] Prepaid Expenses And Other Current Assets [Member] Interest Rate Swap Agreements [Member]	Dec. 29, 2012 Hedging Instrument [Member] Other Assets [Member] Interest Rate Swap Agreements [Member]	Jun. 30, 2012 Hedging Instrument [Member] Other Assets [Member] Interest Rate Swap Agreements [Member]	Dec. 31, 2011 Hedging Instrument [Member] Other Assets [Member] Interest Rate Swap Agreements [Member]
Derivative [Line Items]
Fair value of interest rate swap agreements												$ 488,000	$ 2,475,000	$ 5,048,000	$ 6,219,000	$ 10,671,000
(Gain) loss on interest rate swap agreements recorded to interest expense		(2,274,000)	(3,342,000)	(4,324,000)	(3,829,000)
(Gain) loss on interest rate contracts reclassified from accumulated other comprehensive income to interest expense						156,000	174,000	313,000	348,000
Number of interest rate derivatives held	2
Notional amount of derivative										$ 250,000,000	$ 200,000,000