STOCK BASED COMPENSATION (Tables)

12 Months Ended

Aug. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based compensation, shares available for grant [Table Text Block]

		Shares available to grant
	Shares authorized	August 31, 2015	August 31, 2014
2013 Plan	888,353	847,876	821,124

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

The following table summarizes the components of the stock-based compensation expense for the twelve-month periods ended August 31, 2015, 2014 and 2013 (in thousands), which are included in general and administrative expense and warehouse club operations in the consolidated statements of income:

	Year Ended August 31,
	2015		2014		2013
Options granted to directors	$	86	$	91	$	113
Restricted stock awards	4,599		5,326		5,268
Restricted stock units	1,284		1,034		921
Stock-based compensation expense	$	5,969	$	6,451	$	6,302

Schedule of Share-based Payment Award, Valuation Assumptions

The following table summarizes various concepts related to stock-based compensation as of and for the years ended August 31, 2015, 2014 and 2013:

	August 31,
	2015		2014		2013
Remaining unrecognized compensation cost (in thousands)	$	18,421	$	21,196	$	25,450
Weighted average period of time over which this cost will approximately be recognized (years)	5		6		7
Excess tax benefit (deficiency) on stock-based compensation (in thousands)	$	1,206	$	1,489	$	1,336

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity

Restricted stock awards and units activity for the twelve-months ended August 31, 2015, 2014 and 2013 was as follows:

	Year Ended August 31,
	2015		2014		2013
Grants outstanding at beginning of period	488,416		623,424		700,893
Granted	36,382		14,828		62,046
Forfeited	(10,738	)	(2,669	)	(3,021	)
Vested	(148,039	)	(147,167	)	(136,494	)
Grants outstanding at end of period	366,021		488,416		623,424

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value

The following table summarizes the weighted average per share grant date fair value for restricted stock awards and units for the twelve-months of fiscal years 2015, 2014 and 2013:

	Year Ended August 31,
Weighted Average Grant Date Fair Value	2015		2014		2013
Restricted stock awards and units granted	$	88.40	$	105.76	$	80.79
Restricted stock awards and units vested	$	45.20	$	39.91	$	39.33
Restricted stock awards and units forfeited	$	65.67	$	54.21	$	30.88

Schedule of Share-based compensation, Fair Market Value for Restricted Stock [Table Text Block] [Table Text Block]

The following table summarizes the total fair market value of restricted stock awards and units vested for the period (in thousands):

	Twelve Months Ended August 31,
	2015		2014		2013
Total fair market value of restricted stock awards and units vested	$	13,192	$	13,797	$	10,673

Schedule of Share-based compensation, Shares repurchased [Table Text Block]

The following table summarizes this activity during the period:

	Twelve Months Ended August 31,
	2015		2014		2013
Shares repurchased	52,396		50,898		44,460
Cost of repurchase of shares (in thousands)	$	4,677	$	4,773	$	3,467

Schedule of Share-based compensation, reissued treasury shares [Table Text Block]

The Company reissues treasury shares as part of its stock-based compensation programs.  The following table summarizes the treasury shares reissued during the period:

	Twelve Months Ended August 31,
	2015	2014	2013
Reissued treasury shares	—	—	—

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

he following table summarizes the stock options outstanding: 

	August 31, 2015	August 31, 2014
Stock options outstanding	20,000	23,000