Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Revenues	$ 171,872	$ 146,858
Cost of goods sold	136,714	114,456
Gross profit	35,158	32,402
Selling, general and administrative expenses	21,632	19,686
Research and development expenses	1,839	1,714
Amortization of intangible assets	416	415
Operating income	11,271	10,587
Interest expense	69	61
Interest income	(3)	(19)
Income before income taxes	11,205	10,545
Income tax provision	3,937	3,425
Income from continuing operations	7,268	7,120
Income from discontinued operations, net of tax of $502 and $144	987	265
Net income	$ 8,255	$ 7,385
Earnings per share:
Continuing operations	$ 0.61	$ 0.60
Discontinued operations	$ 0.08	$ 0.02
Basic earnings per share	$ 0.69	$ 0.62
Continuing operations	$ 0.60	$ 0.60
Discontinued operations	$ 0.08	$ 0.02
Diluted earnings per share	$ 0.68	$ 0.62
Weighted average shares:
Basic	11,994	11,922
Diluted	12,054	12,000