Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Revenues	$ 150,800	$ 171,733	$ 484,967	$ 464,633
Cost of goods sold	121,158	135,140	385,239	366,094
Gross profit	29,642	36,593	99,728	98,539
Selling, general and administrative expenses	23,024	20,234	66,750	60,477
Research and development expenses	1,791	2,107	5,787	5,671
Amortization of intangible assets	122	415	658	1,243
Restructuring and relocation expenses		1,717		1,717
Operating income	4,705	12,120	26,533	29,431
Other income	(507)		(1,014)	(1,709)
Interest expense	36	47	141	151
Interest income	(4)	(7)	(10)	(28)
Income from continuing operations before income taxes	5,180	12,080	27,416	31,017
Income tax provision	2,233	2,997	10,226	8,211
Income from continuing operations	2,947	9,083	17,190	22,806
Income from discontinued operations, net of tax (Note I)		222	9,604	702
Net income	$ 2,947	$ 9,305	$ 26,794	$ 23,508
Earnings per share:
Continuing operations	$ 0.25	$ 0.76	$ 1.43	$ 1.91
Discontinued operations		$ 0.02	$ 0.80	$ 0.06
Basic earnings per share	$ 0.25	$ 0.78	$ 2.23	$ 1.97
Continuing operations	$ 0.24	$ 0.76	$ 1.43	$ 1.90
Discontinued operations		$ 0.02	$ 0.80	$ 0.06
Diluted earnings per share	$ 0.24	$ 0.78	$ 2.23	$ 1.96
Weighted average shares:
Basic	12,015	11,941	12,004	11,932
Diluted	12,075	12,016	12,063	12,007
Dividends per share	$ 0.25		$ 0.75