Stockholders’ Equity (Tables)

12 Months Ended

Aug. 31, 2015

Stockholders’ Equity [Abstract]

Weighted Average Assumptions Used To Estimate The Fair Value Of Stock Option Grants

	2015		2014		2013
Expected term (years)	5.0		4.7		4.9
Expected volatility	34	%	37	%	48	%
Risk-free interest rate	1.3	%	1.5	%	0.8	%
Expected dividend yield	1.2	%	-	%	-	%

Summary Of Stock Option Activity

	Options		Weighted Average Exercise Price	Weighted Average Remaining Contractual Life (Yrs.)		Aggregate Intrinsic Value
Outstanding September 1, 2014	4,160	$	12.73
Granted	424		31.08
Exercised	(1,519)		14.56
Forfeited or expired	(192)		19.77
Outstanding at August 31, 2015	2,873	$	14.00	3.38	$	38,892
Exercisable at August 31, 2015	2,119	$	10.46	2.55	$	35,035

Summary Of Restricted Stock Units

	Restricted Stock Units		Weighted Average Grant Date Fair Value
Outstanding September 1, 2014	46	$	16.78
Granted	53		30.26
Vested	(33)		15.19
Forfeited	-
Outstanding at August 31, 2015	66	$	28.49