Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	May 31, 2012	Aug. 31, 2011	May 31, 2011
ASSETS
Cash and cash equivalents	$ 119,785	$ 108,167	$ 100,568
Receivables, net of allowances of $1,786, $2,464 and $2,340, respectively	95,693	79,006	87,588
Inventories, net	62,119	49,524	52,833
Deferred income taxes	9,399	8,598	6,798
Other current assets	13,177	12,398	12,177
Total current assets	300,173	257,693	259,964
Property, plant and equipment, net	56,143	58,465	57,279
Other intangible assets, net	25,709	28,639	27,430
Goodwill	29,866	30,943	28,815
Other noncurrent assets	5,057	5,404	4,318
Total assets	416,948	381,144	377,806
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	38,820	32,153	42,966
Current portion of long-term debt	4,286	4,286	4,286
Other current liabilities	45,502	42,880	40,445
Total current liabilities	88,608	79,319	87,697
Pension benefits liabilities	6,057	6,231	6,233
Long-term debt	1,071	4,285	5,357
Deferred income taxes	10,458	12,550	10,947
Other noncurrent liabilities	8,573	3,094	1,790
Total liabilities	114,767	105,479	112,024
Shareholders' equity:
Preferred stock, ($1 par value, 2,000 shares authorized, no shares issued and outstanding)
Common stock, ($1 par value, 25,000 shares authorized, 18,413, 18,269 and 18,374 shares issued at May 31, 2012, and 2011 and August 31, 2011 respectively)	18,413	18,374	18,269
Capital in excess of stated value	41,580	39,058	34,162
Retained earnings	333,819	302,732	297,971
Less treasury stock (at cost, 5,698 shares)	(90,961)	(90,961)	(90,961)
Accumulated other comprehensive income, net	(670)	6,462	6,341
Total shareholders' equity	302,181	275,665	265,782
Total liabilities and shareholders' equity	$ 416,948	$ 381,144	$ 377,806