Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Consolidated Statements Of Operations [Abstract]
Net sales	$ 166,178	$ 173,863	$ 311,443	$ 326,788
Costs and expenses:
Cost of sales	110,681	105,967	204,719	198,688
Selling, general and administrative expenses	45,751	47,944	92,690	96,634
Amortization of intangible assets	4,203	3,254	7,703	6,407
Interest expense, net	668	470	1,231	961
Other expenses (income), net	1,330	(376)	1,258	(848)
Total costs and expenses	162,633	157,259	307,601	301,842
Earnings before income taxes	3,545	16,604	3,842	24,946
Income tax expense	1,986	6,402	2,037	9,537
Net earnings	$ 1,559	$ 10,202	$ 1,805	$ 15,409
Earnings per share:
Basic - Net earnings	$ 0.06	$ 0.38	$ 0.07	$ 0.58
Diluted - Net earnings	$ 0.06	$ 0.38	$ 0.07	$ 0.57