Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventory, Net [Abstract]

Classes of inventories

Major classes of inventories are as follows:

(in thousands)	June 30, 2016		December 31, 2015		June 30, 2015
Grain	$	348,757	$	534,548	$	327,480
Ethanol and by-products	15,298		8,576		12,802
Plant nutrients and cob products	91,227		172,815		136,472
Retail merchandise	25,161		24,510		25,415
Railcar repair parts	5,793		6,894		6,050
Other	—		56		189
	$	486,236	$	747,399	$	508,408