Consolidated Balance Sheets (USD $) In Thousands	12 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Current assets:
Cash and cash equivalents	$ 389,971	$ 314,840
Accounts receivable - net	228,483	221,621
Inventories:
Finished products	62,152	52,906
Work-in-process	14,550	13,146
Raw materials and supplies	27,484	28,620
Total inventories	104,186	94,672
Prepaid expenses and other current assets	35,647	37,839
Total current assets	758,287	668,972
Other assets:
Goodwill	800,343	768,600
Other intangibles assets	89,961	103,546
Deferred income taxes	53,755	39,103
Other non-current assets	19,244	20,808
Cost:
Land	6,406	6,265
Buildings and improvements	104,644	101,138
Machinery and equipment	305,557	289,727
Construction in progress	11,226	9,873
Property, plant and equipment - gross	427,833	407,003
Less accumulated depreciation	287,918	261,501
Property, plant and equipment - net	139,915	145,502
Total	1,861,505	1,746,531
Current liabilities:
Accounts payable	98,847	96,702
Wages and amounts withheld from employees	69,798	67,285
Taxes, other than income taxes	7,612	7,537
Accrued income taxes	9,954	10,138
Other current liabilities	54,406	50,862
Current maturities on long-term obligations	61,264	61,264
Total current liabilities	301,881	293,788
Long-term obligations, less current maturities	331,914	382,940
Other liabilities	71,518	64,776
Total liabilities	705,313	741,504
Commitments and contingencies (See Note 9)
Common stock:
Common stock	548	548
Additional paid-in capital	307,527	304,205
Earnings retained in the business	789,100	718,512
Treasury stock - 1,667,235 and 2,175,771 shares, respectively of Class A nonvoting common stock, at cost	(50,017)	(66,314)
Accumulated other comprehensive income	113,898	50,905
Other	(4,864)	(2,829)
Total stockholders' investment	1,156,192	1,005,027
Total	1,861,505	1,746,531
Class A nonvoting common stock
Common stock:
Common stock	513	513
Class B Common Stock
Common stock:
Common stock	$ 35	$ 35