CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012	Jul. 31, 2012
Current assets:
Cash and cash equivalents	$ 321,309	$ 305,900
Accounts receivable - net	218,246	199,006
Inventories:
Finished products	67,992	64,740
Work-in-process	16,280	15,377
Raw materials and supplies	26,255	25,407
Total inventories	110,527	105,524
Prepaid expenses and other current assets	42,400	40,424
Total current assets	692,482	650,854
Other assets:
Goodwill	680,595	676,791
Other intangible assets	80,983	84,119
Deferred income taxes	46,627	45,356
Other	21,577	20,584
Cost:
Land	8,892	8,651
Buildings and improvements	102,592	101,962
Machinery and equipment	296,561	292,130
Construction in progress	10,064	10,417
Property, plant and equipment - gross	418,109	413,160
Less accumulated depreciation	288,949	283,145
Property, plant and equipment - net	129,160	130,015
Total	1,651,424	1,607,719
Current liabilities:
Accounts payable	105,348	86,646
Wages and amounts withheld from employees	40,529	54,629
Taxes, other than income taxes	8,211	9,307
Accrued income taxes	12,153	14,357
Other current liabilities	44,686	40,815
Current maturities on long-term debt	61,264	61,264
Total current liabilities	272,191	267,018
Long-term obligations, less current maturities	259,729	254,944
Other liabilities	78,538	76,404
Total liabilities	610,458	598,366
Stockholders' investment:
Additional paid-in capital	314,896	313,008
Income retained in the business	749,773	732,290
Accumulated other comprehensive income	72,178	59,411
Other	(2,894)	(3,304)
Total stockholders' investment	1,040,966	1,009,353
Total	1,651,424	1,607,719
Class A nonvoting common stock [Member]
Stockholders' investment:
Common stock	513	513
Treasury stock	(93,535)	(92,600)
Class B voting common stock [Member]
Stockholders' investment:
Common stock	$ 35	$ 35