6.	Inventories

Major classifications of inventories are as follows:


	January 31, 2018			July 31, 2017
Finished goods – RV	$	54,722		$	24,904
Finished goods – other		34,177			27,862
Work in process		144,714			117,319
Raw materials		257,765			214,518
Chassis		135,555			109,555

Subtotal		626,933			494,158
Excess of FIFO costs over LIFO costs		(36,570	)		(33,670	)

Total inventories, net	$	590,363		$	460,488

Of the $626,933 and $494,158 of inventories at January 31, 2018 and July 31, 2017, $351,612 and $284,897, respectively, was valued on the last-in, first-out (LIFO) basis, and $275,321 and $209,261, respectively, was valued on the first-in, first-out (FIFO) method.