Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Apr. 30, 2012	Jul. 31, 2011
Current assets:
Cash and cash equivalents	$ 374,425	$ 389,971
Accounts receivable - net	210,694	228,483
Inventories:
Finished products	65,322	62,152
Work-in-process	15,045	14,550
Raw materials and supplies	25,749	27,484
Total inventories	106,116	104,186
Prepaid expenses and other current assets	40,267	35,647
Total current assets	731,502	758,287
Other assets:
Goodwill	666,423	800,343
Other intangible assets	76,260	89,961
Deferred income taxes	48,578	53,755
Other	20,760	19,244
Cost:
Land	6,119	6,406
Buildings and improvements	100,569	104,644
Machinery and equipment	303,666	305,557
Construction in progress	12,280	11,226
Property, plant and equipment - gross	422,634	427,833
Less accumulated depreciation	295,017	287,918
Property, plant and equipment - net	127,617	139,915
Total	1,671,140	1,861,505
Current liabilities:
Accounts payable	75,303	98,847
Wages and amounts withheld from employees	48,954	69,798
Taxes, other than income taxes	10,169	7,612
Accrued income taxes	20,939	9,954
Other current liabilities	41,926	54,406
Current maturities on long-term debt	61,264	61,264
Total current liabilities	258,555	301,881
Long-term obligations, less current maturities	280,812	331,914
Other liabilities	68,191	71,518
Total liabilities	607,558	705,313
Stockholders' investment:
Additional paid-in capital	311,369	307,527
Income retained in the business	730,295	789,100
Treasury stock - 1,919,862 and 1,667,235 shares, respectively of Class A nonvoting common stock, at cost	(55,354)	(50,017)
Accumulated other comprehensive income	80,432	113,898
Other	(3,708)	(4,864)
Total stockholders' investment	1,063,582	1,156,192
Total	1,671,140	1,861,505
Class A nonvoting common stock
Stockholders' investment:
Common stock	513	513
Class B common stock
Stockholders' investment:
Common stock	$ 35	$ 35