Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 29, 2012	Dec. 31, 2011
Consolidated Balance Sheets [Abstract]
Common Stock, No Par Value
Common Stock, Shares Authorized	100,800,000	100,800,000
Common Stock, Shares Issued	33,047,807	33,047,807
Treasury Stock, Shares	6,149,364	6,149,364