Stock-Based Compensation Level 3 (Tables)

9 Months Ended

Jun. 30, 2012

Stock-Based Compensation [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Fair value is estimated at the grant date based on a Black-Scholes-Merton option-pricing model using the following weighted-average assumptions:

	Nine Months Ended June 30,
	2012
Expected stock price volatility	57	%
Expected dividend yield	—	%
Risk free interest rate	1.53	%
Average expected life (in years)	7.86

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following is a summary of stock option activity for the nine months ended June 30, 2012:

	Shares Available for Grant		Number of Options Outstanding		Weighted Average Price		Weighted Average Grant Date Fair Value		Weighted Average Remaining Term (in years)	Aggregate Intrinsic Value ($ millions)
Balances as of September 30, 2011	750,481		1,344,646		$	21.05	$	8.93	3.06	$	9.8
Additional shares authorized	1,000,000
Granted	(925,000	)	925,000		$	25.71	$	13.57
Exercised			(197,207	)	$	8.02	$	5.56
Forfeited	2,500		(2,500	)	$	21.83	$	10.88
Expired	47,955		(81,142	)	$	38.15	$	12.92
Balances as of June 30, 2012	875,936		1,988,797		$	23.81	$	11.26	5.73	$	6.2
Exercisable as of June 30, 2012			749,365		$	27.64	$	11.37	2.93	$	2.9

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

The following is a summary of restricted stock activity through June 30, 2012:

	Shares Available for Grant		Number of Shares Outstanding		Weighted Average Grant Date Fair Value		Weighted Average Remaining Term (in years)	Aggregate Intrinsic Value ($ millions)
Balances as of September 30, 2011	290,963		299,118		$	17.71	1.92	$	6.2
Expiration of 2007 Plan	(25,728	)
2012 Plan shares authorized by shareholders	1,500,000
Granted	(315,628	)	315,628		$	24.34
Vested			(119,087	)	$	16.04
Balances as of June 30, 2012	1,449,607		495,659		$	22.34	2.08	$	9.6