Subsequent event (Notes)

6 Months Ended

Jun. 30, 2013

Subsequent Events [Abstract]

Subsequent Events [Text Block]

Subsequent Event

On July 31, 2013, the Company, along with Lansing Trade Group LLC established joint ventures that acquired 100% percent of the stock of Thompsons Limited for a purchase price of $145 million plus an adjustment for excess working capital. Each Company owns 50% of the investment. Thompsons Limited is a grain and food-grade bean handler and agronomy input provider, headquartered in Blenheim, Ontario, and operates 12 locations across Ontario and Minnesota.