Derivative Financial Instruments and Fair Value Measurements (Notional Amounts) (Details) - Not Designated as Hedging Instrument [Member] bu in Thousands	Jul. 01, 2017 bu
Future And Forward Purchase Contracts [Member] | Corn [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	49
Future And Forward Purchase Contracts [Member] | Soybean [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	119
Future And Forward Sale Contracts [Member] | Corn [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	(261)
Future And Forward Sale Contracts [Member] | Soybean [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	(782)
Future [Member] | Corn [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	(100)
Future [Member] | Soybean [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	375