Working Capital (Tables)

3 Months Ended

Aug. 31, 2013

Receivables

Receivables consist of:

	August 31,		May 31,
In thousands	2013		2013
Trade notes and accounts receivable	$	140,903	$	126,070
Other	1,129		852
	$	142,032	$	126,922

Inventories

Inventories consist of:

	August 31,		May 31,
In thousands	2013		2013
Finished products	$	5,759	$	5,267
Work in process	11,194		8,630
Raw materials	19,802		20,090
Total inventories at LIFO cost	36,755		33,987
Finished products	20,398		21,836
Raw materials	332		378
Parts and supplies	50,193		48,853
Total inventories at average cost	70,923		71,067
Total inventories	$	107,678	$	105,054

Accrued Interest, Compensation and Other

Accrued interest, compensation and other consists of:

	August 31,		May 31,
In thousands	2013		2013
Interest	$	2,755	$	17,801
Compensation and employee benefits	13,185		15,439
Casualty insurance claims	16,304		15,890
Income taxes	4,792		4,666
Property taxes and other	12,505		8,540
	$	49,541	$	62,336