STOCK BASED COMPENSATION Disclosure of Compensation Related Costs, Shared-based Payments (Tables)

9 Months Ended

May. 31, 2015

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

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

The following table summarizes the shares authorized and shares available for future grants:

		Shares available to grant
	Shares authorized for issuance as of October 31, 2014 (including shares originally authorized for issuance under the prior plans)	May 31, 2015	August 31, 2014
2013 Plan	888,353	853,774	821,124

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

The following table summarizes the components of the stock-based compensation expense (in thousands), which are included in general and administrative expense and warehouse club operations in the consolidated statements of income:

	Three Months Ended May 31,				Nine Months Ended May 31,
	2015		2014		2015		2014
Options granted to directors	$	25	$	27	$	61	$	64
Restricted stock awards	929		1,276		3,633		4,059
Restricted stock units	328		246		928		747
Stock-based compensation expense	$	1,282	$	1,549	$	4,622	$	4,870

Schedule of Share-based Payment Award, Valuation Assumptions [Table Text Block]

The following tables summarize other information related to stock-based compensation:

	As of May 31
	2015		2014
Remaining unrecognized compensation cost (in thousands)	$	19,005	$	26,199
Weighted average period of time over which this cost will be recognized (years)	5		6

	Nine Months Ended May 31,
	2015	2014
Excess tax benefit (deficiency) on stock-based compensation (in thousands)	1,220	1,473

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

The Company began issuing restricted stock awards in fiscal year 2006 and restricted stock units in fiscal year 2008. The restricted stock awards and units vest over a five to ten year period, and the unvested portion of the award is forfeited if the employee or non-employee director leaves the Company before the vesting period is completed. Restricted stock awards and units activity for the period was as follows:

	Nine Months Ended May 31,
	2015		2014
Grants outstanding at beginning of period	488,416		623,424
Granted	27,607		12,325
Forfeited	(9,618	)	(2,048	)
Vested	(142,370	)	(140,182	)
Grants outstanding at end of period	364,035		493,519

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]

The following table summarizes the weighted average per share grant date fair value for restricted stock awards and units for the period:

	Nine Months Ended May 31,
Weighted Average Grant Date Fair Value	2015		2014
Restricted stock awards and units granted	$	89.64	$	109.18
Restricted stock awards and units vested	$	44.42	$	39.47
Restricted stock awards and units forfeited	$	64.13	$	49.37

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):

	Nine Months Ended May 31,
	2015		2014
Total fair market value of restricted stock awards and units vested	$	12,624	$	13,222

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

The following table summarizes this activity during the period:

	Nine Months Ended May 31,
	2015		2014
Shares repurchased	50,639		48,808
Cost of repurchase of shares (in thousands)	$	4,500	$	4,601

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:

	Nine Months Ended May 31,
	2015	2014
Reissued treasury shares	—	—

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

The following table summarizes the stock options outstanding: 

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