Common Stock, Options, and Stock Compensation (Tables)

12 Months Ended

Sep. 30, 2012

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

Information on Class A Common Stock issued as acquisition

The following table presents information on shares of our Class A Common Stock issued as acquisition consideration. All of these shares were registered on a "shelf" Registration Statement on Form S-4 that was declared effective in January 2011.

	Fiscal Year Ended September 30,
	2012	2011	2010
	(in thousands)
Shares issued due to acquisitions	635	209	—

Compensation costs included in net income

Our net income includes the following compensation costs related to our stock compensation arrangements:

	Fiscal Year Ended September 30,
	2012			2011			2010
	(in thousands)
Gross compensation costs
Stock options	$	—		$	—		$	4
Restricted stock	6,714			13,208			4,508
Total gross compensation costs	6,714			13,208			4,512
Income tax benefits
Stock options	(39		)	(1		)	(56		)
Restricted stock	(2,164		)	(4,508		)	(1,517		)
Total income tax benefits	(2,203		)	(4,509		)	(1,573		)
Net compensation expense	$	4,511		$	8,699		$	2,939

Summary of the restricted stock awards (RSA) activity

The following is a summary of the restricted stock award activity for the fiscal year ended September 30, 2012:

	Shares	Weighted Average Grant Date Fair Value
Outstanding at beginning of year	1,535,000	$	17.49
Granted	312,352	29.22
Released	214,556	19.09
Forfeited	183,963	27.84
Outstanding at end of year	1,448,833	$	18.47

	Fiscal Years Ended September 30,
	2012		2011		2010
	(in millions except per share amounts)
Weighted average grant-date fair value per share granted	$	29.22	$	20.34	$	14.64
Total grant date fair value of shares vested	4.1		13.5		0.2

Summary of the option activity

The following is a summary of the option activity for the current fiscal year:

	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Outstanding at September 30, 2011	222,398		$	3.12
Granted	—		—
Forfeited	—		—
Expired	—		—
Exercised	(204,298	)	3.18
Outstanding at September 30, 2012	18,100		$	2.52	1.48	$	369
Vested and expected to vest	18,100		$	2.52	1.48	$	369
Vested at September 30, 2012	18,100		$	2.52	1.48	$	369

	Fiscal Year Ended September 30,
	2012		2011		2010
	(in millions except share amounts)
Shares issued due to stock option exercises	204,298		62,173		494,202
Proceeds due to stock option exercises	$	0.6	$	0.4	$	1.6
Tax benefit from stock option exercises	$	1.1	$	0.2	$	2.1
Intrinsic value of stock options exercised	$	5.7	$	1.5	$	7.7