COMMON STOCK (Details Textuals) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended			12 Months Ended
	May 02, 2012	Apr. 30, 2012	Oct. 31, 2011	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchase Programs, Maximum				$ 300,000
Total number of shares repurchased (in shares)				3,056,000	3,971,000	2,281,000
Aggregate cost to repurchase shares				250,000	250,000	121,164
Average price per share to repurchase shares (in dollars per share)				$ 81.81	$ 62.95	$ 53.12
Remaining balance to be expended under the board repurchase authorizations				681,873
Number of share based award types				4
Total intrinsic value of options exercised during the years				26,657	30,604	17,326
Number of shares of common stock reserved for stock-based compensation plans (in shares)				3,949,000
Vested Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock reserved for stock-based compensation plans (in shares)				1,154,000
Unvested Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock reserved for stock-based compensation plans (in shares)				2,795,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of awards (in years)				4 years
Period after grant to disallow exercises (in years)				1 year
Time to expiration of awards granted (in years)				7 years
Total unrecognized compensation cost related to nonvested stock options granted				16,569
Weighted-average period to recognize unrecognized compensation cost related to unvested restricted stock units granted (in years)				2 years 4 months
Stock Options [Member] | Vests Rateably over Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage				25.00%
Annual Award Units [Member] | Nonemployee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option award units granted during the year (in shares)				15,000	16,000
Stock option award units granted during the year, weighted-average fair market values (in dollars per share)				$ 84.52	$ 63.63
Restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option award units granted during the year (in shares)				240,000
Stock option award units granted during the year, weighted-average fair market values (in dollars per share)				$ 82.33
Weighted-average period to recognize unrecognized compensation cost related to unvested restricted stock units granted (in years)				2 years 2 months 12 days
Total unrecognized compensation cost related to nonvested restricted stock units granted				37,449
Management Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average period to recognize unrecognized compensation cost related to unvested restricted stock units granted (in years)				2 years 8 months 12 days
Restricated units granted under Mangement Stock Purchase Plan (in shares)				543,000	681,000
Total unrecognized compensation cost related to nonvested restricted stock units granted				$ 8,090
ESPP Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option award units granted during the year, weighted-average fair market values (in dollars per share)						$ 13.06
Percentage of the lower of the market price to purchase shares of common stock	85.00%	85.00%	85.00%
Shares issued under employee stock purchase plan (in shares)				85,000	116,000	470,000
Average price, Shares isued under employee stock purchase plan (in dollars per share)				$ 70.00	$ 54.95	$ 43.02
2012 Stock Plan [Member] | Stock Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of compensation to receive in equity form, if elected by director				100.00%
Number of shares issuable under 2012 Stock Plan (in shares)				7,100,000
Stock option reduction ratio per share (in shares)				1
Non-option reduction ratio per share (in shares)				2.31
2012 Stock Plan [Member] | One Lump Sum [Member] | Stock Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash fees deferred payout options (number of installments)				1
2012 Stock Plan [Member] | Equal annual installments [Member] | Stock Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash fees deferred payout options (number of installments)				5