CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Apr. 30, 2013	Jul. 31, 2012
Current assets:
Cash and cash equivalents	$ 77,034	$ 305,900
Accounts receivable — net	177,343	199,006
Inventories:
Finished products	62,995	64,740
Work-in-process	14,908	15,377
Raw materials and supplies	21,703	25,407
Total inventories	99,606	105,524
Assets Held-for-sale, Current	108,623	0
Prepaid expenses and other current assets	41,461	40,424
Total current assets	504,067	650,854
Other assets:
Goodwill	841,449	676,791
Other intangible assets	174,583	84,119
Deferred income taxes	6,305	45,356
Other	20,915	20,584
Cost:
Land	9,081	8,651
Buildings and improvements	100,504	101,962
Machinery and equipment	278,233	292,130
Construction in progress	9,358	10,417
Property, plant and equipment, gross	397,176	413,160
Less accumulated depreciation	263,527	283,145
Property, plant and equipment — net	133,649	130,015
Total	1,680,968	1,607,719
Current liabilities:
Notes payable	58,658	0
Accounts payable	75,204	86,646
Wages and amounts withheld from employees	36,840	54,629
Liabilities of Disposal Group, Including Discontinued Operation, Current	34,684	0
Taxes, other than income taxes	7,603	9,307
Accrued income taxes	10,650	14,357
Other current liabilities	34,396	40,815
Current maturities on long-term debt	61,265	61,264
Total current liabilities	319,300	267,018
Long-term obligations, less current maturities	218,378	254,944
Other liabilities	109,635	76,404
Total liabilities	647,313	598,366
Stockholders' investment:
Additional paid-in capital	312,905	313,008
Earnings retained in the business	725,682	732,290
Treasury stock — 2,974,218 and 3,245,561 shares, respectively of Class A nonvoting common stock, at cost	(79,996)	(92,600)
Accumulated other comprehensive income	76,439	59,411
Other	(1,923)	(3,304)
Total stockholders’ investment	1,033,655	1,009,353
Total	1,680,968	1,607,719
Class A nonvoting common stock [Member]
Stockholders' investment:
Common Stock, Value: Class A nonvoting common stock — Issued 51,261,487 and 51,261,487 shares, respectively and outstanding 47,711,496 and 47,630,926 shares, respectively and Class B voting common stock — Issued and outstanding, 3,538,628 shares	513	513
Class B voting common stock [Member]
Stockholders' investment:
Common Stock, Value: Class A nonvoting common stock — Issued 51,261,487 and 51,261,487 shares, respectively and outstanding 47,711,496 and 47,630,926 shares, respectively and Class B voting common stock — Issued and outstanding, 3,538,628 shares	$ 35	$ 35