CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
CONSOLIDATED STATEMENTS OF OPERATIONS
Net revenues	$ 102,511	$ 138,688	$ 197,581	$ 249,364
Cost of sales	93,606	110,851	176,588	201,256
Gross profit	8,905	27,837	20,993	48,108
Selling, general and administrative expense	9,524	9,619	19,800	19,355
Research and technical expense	913	926	1,828	1,813
Operating income (loss)	(1,532)	17,292	(635)	26,940
Interest income	(19)	(20)	(45)	(43)
Interest expense	139	16	277	32
Income (loss) before income taxes	(1,652)	17,296	(867)	26,951
Provision for (benefit from) income taxes	(490)	5,577	67	8,851
Net income (loss)	$ (1,162)	$ 11,719	$ (934)	$ 18,100
Net income (loss) per share:
Basic (in dollars per share)	$ (0.09)	$ 0.94	$ (0.07)	$ 1.45
Diluted (in dollars per share)	(0.09)	0.94	(0.07)	1.45
Dividend declared per common share (in dollars per share)	$ 0.22	$ 0.22	$ 0.44	$ 0.44