Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 31, 2012	Jul. 31, 2011
Current assets:
Cash and cash equivalents	$ 380,331	$ 389,971
Accounts receivable - net	215,929	228,483
Inventories:
Finished products	67,867	62,152
Work-in-process	16,343	14,550
Raw materials and supplies	27,905	27,484
Total inventories	112,115	104,186
Prepaid expenses and other current assets	39,316	35,647
Total current assets	747,691	758,287
Other assets:
Goodwill	666,907	800,343
Other intangible assets	79,090	89,961
Deferred income taxes	51,124	53,755
Other	19,205	19,244
Cost:
Land	6,132	6,406
Buildings and improvements	101,452	104,644
Machinery and equipment	302,568	305,557
Construction in progress	14,418	11,226
Property, plant and equipment - gross	424,570	427,833
Less accumulated depreciation	292,426	287,918
Property, plant and equipment - net	132,144	139,915
Total	1,696,161	1,861,505
Current liabilities:
Accounts payable	81,140	98,847
Wages and amounts withheld from employees	41,926	69,798
Taxes, other than income taxes	7,925	7,612
Accrued income taxes	16,599	9,954
Other current liabilities	51,744	54,406
Current maturities on long-term debt	61,264	61,264
Total current liabilities	260,598	301,881
Long-term obligations, less current maturities	323,071	331,914
Other liabilities	65,550	71,518
Total liabilities	649,219	705,313
Stockholders' investment:
Additional paid-in capital	311,677	307,527
Income retained in the business	712,425	789,100
Treasury stock - 2,024,485 and 1,667,235 shares, respectively of Class A nonvoting common stock, at cost	(58,869)	(50,017)
Accumulated other comprehensive income	85,259	113,898
Other	(4,098)	(4,864)
Total stockholders' investment	1,046,942	1,156,192
Total	1,696,161	1,861,505
Class A Nonvoting Common Stock [Member]
Stockholders' investment:
Common stock	513	513
Class B Common Stock [Member]
Stockholders' investment:
Common stock	$ 35	$ 35