CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
CONSOLIDATED STATEMENTS OF OPERATIONS
Net revenues	$ 123,587	$ 141,574	$ 367,088	$ 429,307
Cost of sales	104,982	109,185	309,625	338,892
Gross profit	18,605	32,389	57,463	90,415
Selling, general and administrative expense	9,761	10,382	28,986	30,885
Research and technical expense	853	835	2,563	2,414
Operating income	7,991	21,172	25,914	57,116
Interest income	(29)	(57)	(83)	(152)
Interest expense	18	19	52	69
Income before income taxes	8,002	21,210	25,945	57,199
Provision for income taxes	2,705	7,478	8,377	19,873
Net income	$ 5,297	$ 13,732	$ 17,568	$ 37,326
Net income per share:
Basic (in dollars per share)	$ 0.43	$ 1.12	$ 1.43	$ 3.05
Diluted (in dollars per share)	$ 0.43	$ 1.11	$ 1.42	$ 3.03
Dividend declared per common share (in dollars per share)	$ 0.22	$ 0.22	$ 0.66	$ 0.66