Stockholders' Equity (Details) (USD $)	6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010
Class of Stock [Line Items]
Proceeds from sale of shares by the former stockholders of Griffin	$ 293,189,000	$ 7,000
Common Stock [Member]
Class of Stock [Line Items]
Shares of common stock in public offering	24,193,548
Price of common stock in public offering	$ 12.70
Stock option period	30 days
Shares offered for purchase by former stockholders of Griffin Industries	3,629,032
Net proceeds from the offering	292,700,000
Proceeds from the sale of shares by the former stockholders of Griffin	Did not receive any proceeds
Proceeds from sale of shares by the former stockholders of Griffin	$ 0