Allowance for Doubtful Accounts (Details) (USD $)	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at Beginning of Year	$ 238,000	$ 847,000	$ 9,260,000
Additions	202,000	29,000
Reductions	151,000	638,000	8,728,000
Balance at End of Year	289,000	238,000	847,000
Trade Accounts Receivable [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts charge-offs.			6,700,000
Notes Receivable [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for doubtful accounts charge-offs.		(300,000)	500,000
Uncollectible debts that was previously reserved and receipt of payments.		(300,000)	1,400,000
Uncollectable Accounts [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Additions			$ 315,000