Shareholders' Equity (Tables)

12 Months Ended

Jul. 31, 2011

Equity [Abstract]

stock options exercised

Period	Options Exercised		Exercise Price		Shares Net Settled for Exercise		Shares Withheld for Taxes(1)		Net Shares to Employee		Share Price for Withholding		Tax Withholding (in 000’s)
FY 2009—Q2		600,000	$	4.47		96,929		222,817		280,254	$	26.93	$	6,000
FY 2009—Q4		361,035	$	11.12		116,741		109,595		134,699	$	34.39	$	3,769
FY 2010—Q1		323,631	$	13.03		114,354		95,746		113,531	$	36.89	$	3,532
FY 2010—Q4		350,000	$	12.91		122,922		105,827		121,251	$	36.76	$	3,890
FY 2011—Q2		88,750	$	16.93		38,025		18,917		31,808	$	39.51	$	748
FY 2011—Q3		274,167	$	22.03		147,748		59,016		67,403	$	40.80	$	2,408
FY 2011—Q4		90,000	$	18.95		38,198		24,183		27,619	$	44.65	$	1,080

 

(1) Shares withheld for taxes are treated as a repurchase of shares for accounting purposes but do not count against the Company’s stock repurchase program.

share-based compensation expense

	Years Ended July 31,
	2011		2010		2009
Yard operations	$	1,031	$	1,109	$	1,220
General and administrative		17,976		16,846		8,193
Total	$	19,007	$	17,955	$	9,413

Non-vested shares as of July 31, 2011

Number of Shares (in 000’s)	Weighted Average Grant- date Fair Value
Non-vested shares at July 31, 2010		4,633		$	13.23
Grants of options		1,117			13.40
Vested		(1,496	)		13.10
Forfeitures or expirations		(90	)		12.50
Non-vested shares at July 31, 2011		4,164		$	13.32

Option activity for the year ended July 31, 2011

	Shares (in 000’s)			Weighted- Average Exercise Price		Weighted-Average Remaining Contractual Term		Aggregate Intrinsic Value (in 000’s)
Outstanding at July 31, 2010		8,052		$	29.07		7.49	$	60,151
Grants of options		1,117			38.46		—		—
Exercises		(726	)		21.11		—		—
Forfeitures or expirations		(90	)		33.71		—		—
Outstanding at July 31, 2011		8,353		$	31.00		7.18	$	103,979
Exercisable at July 31, 2011		4,189		$	28.67		6.21	$	61,935
Vested and expected to vest at July 31, 2011		8,031		$	31.01		7.19	$	99,933

stock options outstanding and exercisable at July 31, 2011

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number Outstanding at July 31, 2011 (in 000’s)		Weighted- Average Remaining Contractual Life		Weighted- Average Exercise Price		Number Exercisable at July 31, 2011 (in 000’s)		Weighted- Average Exercise Price
$7.75–$23.73		517		2.17	$	15.43		517	$	15.43
$24.03–$29.89		803		4.60	$	25.22		795	$	25.18
$30.21–$30.21		4,000		7.71	$	30.21		1,800	$	30.21
$32.76–$44.12		3,033		8.01	$	36.20		1,077	$	34.95
		8,353		7.18	$	31.00		4,189	$	28.67