CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2012	Apr. 30, 2011
Income Statement [Abstract]
Net sales	$ 657,976	$ 653,792	$ 1,949,285	$ 1,798,479
Cost of sales	323,550	321,526	941,342	867,087
Gross profit	334,426	332,266	1,007,943	931,392
Selling, general and administrative expenses	215,226	203,327	632,982	572,026
Research and development	20,780	19,308	60,351	57,198
Restructuring and other charges, net	2,861	7,723	31,001	13,921
Interest expense, net	6,351	6,068	17,682	19,176
Earnings from continuing operations before income taxes	89,208	95,840	265,927	269,071
Provision for income taxes	18,270	34,082	60,691	80,021
Net earnings from continuing operations	70,938	61,758	205,236	189,050
Earnings from discontinued operations, net of income taxes	7,980	9,311	27,866	29,092
Net earnings	$ 78,918	$ 71,069	$ 233,102	$ 218,142
Earnings per share from continuing operations:
Basic	$ 0.61	$ 0.53	$ 1.77	$ 1.62
Diluted	$ 0.60	$ 0.52	$ 1.74	$ 1.60
Earnings per share from discontinued operations:
Basic	$ 0.07	$ 0.08	$ 0.24	$ 0.25
Diluted	$ 0.07	$ 0.08	$ 0.24	$ 0.25
Earnings per share:
Basic	$ 0.68	$ 0.61	$ 2.01	$ 1.87
Diluted	$ 0.67	$ 0.60	$ 1.98	$ 1.84
Dividends declared per share	$ 0.210	$ 0.175	$ 0.595	$ 0.510
Average shares outstanding:
Basic	116,567	116,899	116,190	116,565
Diluted	118,358	118,723	117,817	118,296