Stock Option Plans (Tables)

12 Months Ended

Jul. 31, 2015

Share-based Compensation [Abstract]

Weighted Average Assumptions For Recognized Fair Value Of Stock-Based Employee Compensation Cost

	2015	2014	2013
Risk - free interest rate	0.05 - 2.3%	0.31 - 2.8%	0.02 - 1.7%
Expected volatility	18.6 - 26.7%	18.2 - 28.0%	22.5 - 29.7%
Expected dividend yield	1.6%	1.4 - 1.6%	1.0 - 1.4%
Expected life
Director and officer grants	8 years	8 years	8 years
Non - officer original grants	7 years	7 years	7 years
Reload grants	<4 years	<6 years	<5 years

Stock Option Activity

		Weighted
	Options	Average Exercise
	Outstanding	Price
Outstanding at July 31, 2012	8,056,327	$	20.97
Granted	965,050		33.91
Exercised	(1,607,081)		14.79
Canceled	(84,476)		33.94
Outstanding at July 31, 2013	7,329,820		23.88
Granted	900,073		42.17
Exercised	(1,008,848)		18.80
Canceled	(23,163)		34.02
Outstanding at July 31, 2014	7,197,882		26.84
Granted	1,023,836		38.58
Exercised	(916,566)		18.54
Canceled	(113,710)		38.67
Outstanding at July 31, 2015	7,191,442		29.38

Outstanding And Exercisable Options

		Weighted
		Average	Weighted			Weighted
		Remaining	Average			Average
	Number	Contractual	Exercise		Number	Exercise
Range of Exercise Prices	Outstanding	Life (Years)	Price		Exercisable	Price
$0.00 to $17.69	1,366,763	1.95	$	17.08	1,366,763	$	17.08
$17.70 to $23.69	1,432,795	3.52		21.47	1,432,795		21.47
$23.70 to $29.69	821,268	5.34		29.12	821,268		29.12
$29.70 to $35.69	1,719,689	6.65		34.23	1,463,974		34.32
$35.70 and above	1,850,927	8.67		40.22	349,502		41.76
	7,191,442	5.50		29.38	5,434,302		26.29

Status For Options Which Contain Vesting Provisions

		Weighted
		Average Grant
		Date Fair
	Options	Value
Non - vested at July 31, 2014	1,720,063	$	10.35
Granted	1,003,750		10.06
Vested	(870,930)		10.02
Canceled	(95,743)		10.21
Non - vested at July 31, 2015	1,757,140		10.36