Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Apr. 30, 2014	Apr. 30, 2013
Operating Activities
Net earnings	$ 187,268	$ 174,768
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	50,245	48,527
Changes in operating assets and liabilities	(5,764)	(8,346)
Tax benefit of equity plans	(8,119)	(9,483)
Stock compensation plan expense	9,474	7,363
Deferred taxes	(7,649)	(4,037)
Loss on sale of business	905
Other, net	3,746	8,597
Net cash provided by operating activities	230,106	217,389
Investing Activities
Net expenditures on property, plant, and equipment	(66,046)	(69,425)
Purchases of short-term investments	(108,864)	(66,584)
Proceeds from sale of short-term investments	61,179	97,365
Net cash used in investing activities	(113,731)	(38,644)
Financing Activities
Purchase of treasury stock	(165,871)	(60,975)
Proceeds from long-term debt	125,000
Repayments of long-term debt	(81,586)	(1,093)
Change in short-term borrowings	54,693	(66,530)
Dividends paid	(59,675)	(41,184)
Tax benefit of equity plans	8,119	9,483
Exercise of stock options	13,035	12,131
Net cash used in financing activities	(106,285)	(148,168)
Effect of exchange rate changes on cash	3,994	7,622
Increase in cash and cash equivalents	14,084	38,199
Cash and cash equivalents, beginning of year	224,138	225,789
Cash and cash equivalents, end of period	$ 238,222	$ 263,988