Working Capital (Tables)

9 Months Ended

Feb. 28, 2013

Receivables

Receivables consist of:

	February 28,		May 31,
In thousands	2013		2012
Trade notes and accounts receivable	$	97,593	$	97,621
Other	865		1,215
	$	98,458	$	98,836

Inventories

Inventories consist of:

	February 28,		May 31,
In thousands	2013		2012
Finished products	$	5,111	$	7,664
Work in process	11,923		12,505
Raw materials	16,638		9,449
Total inventories at LIFO cost	33,672		29,618
Finished products	21,475		23,451
Raw materials	143		229
Parts and supplies	44,992		46,143
Total inventories at average cost	66,610		69,823
Total inventories	$	100,282	$	99,441

Accrued Interest, Compensation and Other

Accrued interest, compensation and other consist of:

	February 28,		May 31,
In thousands	2013		2012
Interest	$	2,767	$	17,810
Compensation and employee benefits	19,017		18,103
Casualty insurance claims	16,142		14,004
Income taxes	4,890		4,500
Property taxes and other	5,318		6,900
	$	48,134	$	61,317