CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Oct. 31, 2012	Oct. 31, 2011
Income Statement [Abstract]
Net sales	$ 627,600	$ 651,262
Cost of sales	300,517	315,910
Gross profit	327,083	335,352
Selling, general and administrative expenses	195,965	208,180
Research and development	22,575	19,521
Restructuring and other charges, net	4,274	22,984
Interest (income)/expense, net	(568)	5,945
Earnings from continuing operations before income taxes	104,837	78,722
Provision for income taxes	15,672	19,070
Net earnings from continuing operations	89,165	59,652
Earnings from discontinued operations, net of income taxes	250,307	9,803
Net earnings	$ 339,472	$ 69,455
Earnings per share from continuing operations:
Basic (in dollars per share)	$ 0.78	$ 0.52
Diluted (in dollars per share)	$ 0.77	$ 0.51
Earnings per share from discontinued operations:
Basic (in dollars per share)	$ 2.18	$ 0.08
Diluted (in dollars per share)	$ 2.15	$ 0.08
Earnings per share:
Basic (in dollars per share)	$ 2.96	$ 0.60
Diluted (in dollars per share)	$ 2.92	$ 0.59
Dividends declared per share	$ 0.250	$ 0.175
Average shares outstanding:
Basic	114,589	115,824
Diluted	116,097	117,224