Major classes of inventories are as follows:
December 31,
(in thousands)
2016
2015
Grain
$
495,139
$
534,548
Ethanol and by-products
10,887
8,576
Plant nutrients and cob products
150,259
172,815
Retail merchandise
20,678
24,510
Railcar repair parts
5,784
6,894
Other
—
56
$
682,747
$
747,399