EARNINGS PER SHARE (Tables)

6 Months Ended

Feb. 28, 2018

EARNINGS PER SHARE [Abstract]

Schedule of the Computation of Net Income Per Share

	Three Months Ended				Six Months Ended
	February 28,		February 28,		February 28,		February 28,
	2018		2017		2018		2017
Net income	$	14,148	$	27,219	$	36,638	$	52,088
Less: Allocation of income to unvested stockholders		—		(345)		(398)		(758)
Net earnings available to common stockholders	$	14,148	$	26,874	$	36,240	$	51,330
Basic weighted average shares outstanding		30,100		30,004		30,089		29,993
Add dilutive effect of stock options (two-class method)		—		4		1		4
Diluted average shares outstanding		30,100		30,008		30,090		29,997
Basic net income per share	$	0.47	$	0.90	$	1.21	$	1.72
Diluted net income per share	$	0.47	$	0.90	$	1.21	$	1.72