CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
CONSOLIDATED STATEMENTS OF OPERATIONS
Net revenues	$ 455,410	$ 482,746	$ 579,561
Cost of sales	408,112	409,120	458,721
Gross profit	47,298	73,626	120,840
Selling, general and administrative expense	38,693	38,165	40,661
Research and technical expense	3,556	3,505	3,285
Operating income (loss)	5,049	31,956	76,894
Interest income	(139)	(114)	(188)
Interest expense	68	72	87
Income (loss) before income taxes	5,120	31,998	76,995
Provision for (benefit from) income taxes	1,369	10,421	26,813
Net income (loss)	$ 3,751	$ 21,577	$ 50,182
Net income (loss) per share:
Basic (in dollars per share)	$ 0.30	$ 1.75	$ 4.09
Diluted (in dollars per share)	$ 0.30	$ 1.74	$ 4.07
Dividend declared per common share (in dollars per share)	$ 0.88	$ 0.88	$ 0.88