Derivatives and Fair Value of Financial Instruments (Details 3) (USD $)																	12 Months Ended				1 Months Ended
	Dec. 31, 2013 Net commodity purchase contracts Sugar lb	Mar. 29, 2014 Net commodity purchase contracts Cheese lb	Dec. 31, 2013 Net commodity purchase contracts Cheese lb	Mar. 29, 2014 Net commodity purchase contracts Hogs lb	Dec. 31, 2013 Net commodity purchase contracts Hogs lb	Dec. 31, 2013 Net commodity purchase contracts Grain bu	Mar. 29, 2014 Net commodity purchase contracts Dry whey powder lb	Dec. 31, 2013 Net commodity purchase contracts Dry whey powder lb	Mar. 29, 2014 Net commodity purchase contracts Milk powder lb	Mar. 29, 2014 Net commodity sale contracts Sugar lb	Mar. 29, 2014 Net commodity sale contracts Grain bu	Mar. 29, 2014 Net commodity sale contracts Soybean meal T	Dec. 31, 2013 Net commodity sale contracts Soybean meal T	Dec. 31, 2013 Net commodity sale contracts Palm oil lb	Mar. 29, 2014 Foreign currency exchange agreements	Dec. 31, 2013 Foreign currency exchange agreements	Dec. 31, 2010 Interest rate exchange agreements agreement	Mar. 29, 2014 Interest rate exchange agreements agreement	Dec. 31, 2013 Interest rate exchange agreements agreement	Apr. 26, 2014 Interest rate exchange agreements Subsequent event	Mar. 29, 2014 Eight-year interest rate exchange agreements agreement
Derivative commodity instruments
Nonmonetary notional amount	51,184,000	200,000	440,000	49,560,000	32,440,000	6,540,000	264,000	308,000	220,000	8,960,000	4,692,000	108,000	76,000	12,125,000
Notional amounts															$ 23,939,000	$ 127,389,000	$ 25,000,000	$ 141,000,000	$ 75,000,000	$ 22,000,000	$ 22,000,000
Number of derivative agreements entered into																	3	6	3		3
Term of derivative contract																	10 years				8 years