Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013	Jul. 31, 2012
Assets
Cash and cash equivalents	$ 216,608	$ 225,789
Short-term investments	67,875	92,362
Accounts receivable, less allowance of $7,037 and $6,418	407,528	438,796
Inventories	261,932	256,116
Prepaids and other current assets	78,897	72,599
Total current assets	1,032,840	1,085,662
Property, plant, and equipment, at cost	1,013,383	949,619
Less accumulated depreciation	(600,655)	(564,710)
Property, plant and equipment, net	412,728	384,909
Goodwill	167,270	162,949
Intangible assets, net	44,229	46,200
Other assets	61,601	50,362
Total assets	1,718,668	1,730,082
Liabilities and shareholders' equity
Short-term borrowings	59,335	95,147
Current maturities of long-term debt	82,467	2,346
Trade accounts payable	171,881	199,182
Other current liabilities	171,328	201,848
Total current liabilities	485,011	498,523
Long-term debt	120,375	203,483
Deferred income taxes	5,078	4,611
Other long-term liabilities	104,024	113,451
Total liabilities	714,488	820,068
Shareholders' equity
Preferred stock, $1.00 par value, 1,000,000 shares authorized, none issued
Common stock, $5.00 par value, 240,000,000 shares authorized, 151,643,194 shares issued	758,216	758,216
Retained earnings	430,547	366,788
Stock compensation plans	22,015	24,948
Accumulated other comprehensive loss	(43,590)	(101,888)
Treasury stock at cost, 4,761,074 and 3,980,832 shares at January 31,2013 and July 31,2012, respectively	(163,008)	(138,050)
Total shareholders' equity	1,004,180	910,014
Total liabilities and shareholders' equity	$ 1,718,668	$ 1,730,082