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Stock-based Compensation (Tables)

12 Months Ended

Aug. 31, 2013

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Stock Options Activity

							Weighted-Average
							Remaining
				Weighted-Average			Contractual Term
	Number of			Exercise Price			Per Share			Aggregate
Stock Options	Shares			Per Share			(in years)			Intrinsic Value
Outstanding at August 31, 2012		313,267		$	33.12
Granted		-		$	-
Exercised		(144,676)		$	33.12
Forfeited or expired		-		$	-
Outstanding at August 31, 2013		168,591		$	33.13			3.2		$	4,223
Exercisable at August 31, 2013		168,591		$	33.13			3.2		$	4,223

Schedule of Share-based Compensation, Restricted Stock Units Activity

				Weighted-Average
				Grant Date
	Number of			Fair Value			Aggregate
Restricted Stock Units	Shares			Per Share			Intrinsic Value
Outstanding at August 31, 2012		169,904		$	36.03
Granted		34,576		$	45.45
Converted to common shares		(51,052)		$	35.73
Forfeited		(1,700)		$	38.67
Outstanding at August 31, 2013		151,728		$	38.25		$	8,828
Vested at August 31, 2013		85,613		$	36.45		$	4,981

Performance Share Units [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Compensation, Performance Share Units Activity

				Weighted-Average
				Grant Date
	Number of			Fair Value			Aggregate
Performance Share Units	Shares			Per Share			Intrinsic Value
Outstanding at August 31, 2012		41,180		$	38.02
Granted		-		$	-
Converted to common shares		(11,520)		$	36.88
Forfeited		(12,480)		$	36.88
Outstanding at August 31, 2013		17,180		$	39.61		$	1,000
Expected to vest at August 31, 2013		13,315		$	39.61		$	775

Market Share Units [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Compensation, Maket Share Units Activity

				Weighted-Average
				Grant Date
	Number of			Fair Value			Aggregate
Market Share Units	Shares			Per Share			Intrinsic Value
Outstanding at August 31, 2012		-		$	-
Granted		24,393		$	37.15
Converted to common shares		-		$	-
Forfeited		(162)		$	29.85
Outstanding at August 31, 2013		24,231		$	37.20		$	1,410

Schedule of Share-based Payment Award, Valuation Assumptions

	Fiscal Year Ended August 31, 2013
Expected volatility	25.4%
Risk-free interest rate	0.4%
Expected dividend yield	0%

X

- Definition

Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value.

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Tabular disclosure of the number, aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both performance-based awards (or share units) outstanding and performance-based awards (or share units) fully vested and expected to vest at the date of the latest statement of financial position.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

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-Name Accounting Standards Codification

-Topic 718

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+ References

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