Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Consolidated Statements Of Operations [Abstract]
Net sales	$ 169,449	$ 176,326	$ 496,237	$ 503,010
Costs and expenses:
Cost of sales	103,088	105,522	301,777	301,599
Selling, general and administrative expenses	46,113	47,520	142,746	134,574
Amortization of intangible assets	3,392	3,055	9,799	8,943
Interest expense, net	916	534	1,877	1,846
Other (income) expenses, net	(3,207)	(522)	(4,055)	(1,015)
Total costs and expenses	150,302	156,109	452,144	445,947
Earnings before income taxes	19,147	20,217	44,093	57,063
Income tax expense	5,356	7,139	14,893	19,945
Net earnings	$ 13,791	$ 13,078	$ 29,200	$ 37,118
Earnings per share:
Basic - Net earnings	$ 0.52	$ 0.49	$ 1.09	$ 1.40
Diluted - Net earnings	$ 0.51	$ 0.49	$ 1.08	$ 1.38