General (Details 4) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012
Derivatives designated as hedging instrument \| Prepaid expenses and other \| Commodity contracts - Grain
Derivative Assets and (liabilities) at Fair Value
Asset	$ 91	$ 205
Liability	(1,516)	(1,812)
Derivatives not designated as hedging instrument \| Prepaid expenses and other \| Commodity contracts - Energy
Derivative Assets and (liabilities) at Fair Value
Asset	89	36
Liability	(152)	(152)
Derivatives not designated as hedging instrument \| Other accrued liabilities and other long-term liabilities \| Interest rate swap contracts
Derivative Assets and (liabilities) at Fair Value
Asset	0	0
Liability	$ (8,107)	$ (8,872)

Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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- Definition

Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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MICHAEL FOODS GROUP, INC. 10-Q