EQUITY PLANS (Details 2)	12 Months Ended
	Aug. 01, 2015 $ / shares shares
Options outstanding by range of exercise prices
Number of Options Outstanding (in share) | shares	444,516
Weighted Average Exercise Price (in dollars per share)	$ 46.97
Weighted Average Remaining Contractual Term	6 years 1 month 6 days
Number of Options Exercisable | shares	253,005
Weighted Average Exercise Price (in dollars per share)	$ 36.11
$12.00 - $26.00
Weighted-average remaining contractual term of options outstanding by range of exercise prices
Exercise price, low end of range (in dollars per share)	12
Exercise price, high end of range (in dollars per share)	$ 26
Options outstanding by range of exercise prices
Number of Options Outstanding (in share) | shares	83,730
Weighted Average Exercise Price (in dollars per share)	$ 24.25
Weighted Average Remaining Contractual Term	3 years 6 months
Number of Options Exercisable | shares	83,730
Weighted Average Exercise Price (in dollars per share)	$ 24.25
$26.01 - $40.00
Weighted-average remaining contractual term of options outstanding by range of exercise prices
Exercise price, low end of range (in dollars per share)	26.01
Exercise price, high end of range (in dollars per share)	$ 40
Options outstanding by range of exercise prices
Number of Options Outstanding (in share) | shares	136,352
Weighted Average Exercise Price (in dollars per share)	$ 34.95
Weighted Average Remaining Contractual Term	4 years 7 months 6 days
Number of Options Exercisable | shares	118,645
Weighted Average Exercise Price (in dollars per share)	$ 34.53
$40.01 - $54.00
Weighted-average remaining contractual term of options outstanding by range of exercise prices
Exercise price, low end of range (in dollars per share)	40.01
Exercise price, high end of range (in dollars per share)	$ 54
Options outstanding by range of exercise prices
Number of Options Outstanding (in share) | shares	5,530
Weighted Average Exercise Price (in dollars per share)	$ 44.95
Weighted Average Remaining Contractual Term	6 years 3 months 18 days
Number of Options Exercisable | shares	5,180
Weighted Average Exercise Price (in dollars per share)	$ 44.47
$54.01 - $68.00
Weighted-average remaining contractual term of options outstanding by range of exercise prices
Exercise price, low end of range (in dollars per share)	54.01
Exercise price, high end of range (in dollars per share)	$ 68
Options outstanding by range of exercise prices
Number of Options Outstanding (in share) | shares	218,904
Weighted Average Exercise Price (in dollars per share)	$ 63.19
Weighted Average Remaining Contractual Term	8 years 1 month 6 days
Number of Options Exercisable | shares	45,450
Weighted Average Exercise Price (in dollars per share)	$ 61.12