Stock Option Plans (Tables)

12 Months Ended

Jul. 31, 2013

Stock Option Plans [Abstract]

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

	2013	2012	2011
Risk - free interest rate	<0.03 - 1.7%	<0.11 - 1.8%	<0.12 - 3.1%
Expected volatility	22.5 - 29.7%	25.8 - 31.9%	25.5 - 34.7%
Expected dividend yield	1.0 - 1.4%	1.0%	1.0%
Expected life
Director original grants without reloads	8 years	8 years	8 years
Non - officer original grants	7 years	7 years	8 years
Reload grants	<5 years	<8 years	<8 years
Officer original grants without reloads	8 years	8 years	8 years

Stock Option Activity

		Weighted
	Options	Average Exercise
	Outstanding	Price
Outstanding at July 31, 2010	9,543,624	$	15.02
Granted	1,103,202		28.61
Exercised	(2,243,502)		11.55
Canceled	(15,330)		23.60
Outstanding at July 31, 2011	8,387,994		17.72
Granted	1,082,979		34.76
Exercised	(1,379,827)		11.90
Canceled	(34,819)		27.45
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

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 $15.89	1,156,373	1.26	$	15.29	1,156,373	$	15.29
$15.90 to $20.89	1,935,678	3.79		17.44	1,935,678		17.44
$20.90 to $25.89	1,375,689	5.73		21.79	1,375,689		21.79
$25.90 to $30.89	909,199	7.36		29.15	599,727		29.16
$30.90 and above	1,952,881	8.36		34.35	456,550		34.88
	7,329,820	5.42		23.88	5,524,017		20.79

Status For Options Which Contain Vesting Provisions

		Weighted
		Average Grant
		Date Fair
	Options	Value
Non - vested at July 31, 2012	1,805,397	$	9.22
Granted	850,500		8.80
Vested	(822,350)		8.90
Canceled	(27,744)		8.98
Non - vested at July 31, 2013	1,805,803		9.18