Retirement Plan and Incentive Awards (Tables)

12 Months Ended

Sep. 30, 2012

Retirement Plan and Incentive Awards [Abstract]

Schedule of Stock Options and SSARs Outstanding, and Related Activity

The following table summarizes stock options and SSARs outstanding as of September 30 and activity during the fiscal years ended September 30:

	2012				2011				2010
	Shares		Weighted- Average Exercise Price		Shares		Weighted- Average Exercise Price		Shares		Weighted- Average Exercise Price
Outstanding at beginning of period	375,248		$	48.85	515,671		$	113.45	421,783		$	165.35
Granted	109,507		10.80		150,853		23.45		201,229		28.45
Expired	(10,948	)	82.51		(148,393	)	270.10		(6,396	)	137.55
Canceled/exchanged	—				—		—		(93,187	)	165.20
Forfeited	(43,834	)	24.13		(142,883	)	25.45		(7,758	)	90.80
Outstanding at end of period	429,973		$	40.80	375,248		$	48.85	515,671		$	113.45
Exercisable at end of period	247,588		$	58.61	163,076		$	64.65	154,132		$	207.95
Vested or expected to vest in the future	428,597		$	40.88	367,693		$	49.30	460,587		$	102.75

Schedule of Assumptions for Stock Options Granted During Period

The fair value of each grant is estimated on the date of grant using the Black-Scholes option-pricing model based on the following assumptions:

	2012			2011			2010
Expected life of options	5.0 years			4.8 years			4.8 years
Expected volatility	44.77		%	51.70		%	50.00		%
Expected discrete dividends	—			—			—
Weighted average risk-free interest rate	0.90		%	1.22		%	2.33		%
Weighted average fair value	$	4.30		$	10.50		$	12.75

Schedule of Stock Options and SSARS Outstanding and Exercisable

The following table summarizes information about stock options and SSARs outstanding and exercisable at September 30, 2012:

	Stock Options/SSARs Outstanding				Stock Options/SSARs Exercisable
Range of Exercise Price	Number Outstanding	Weighted Average Contractual Remaining Life (Years)	Weighted Average Exercise Price		Number Exercisable	Weighted Average Contractual Remaining Life (Years)	Weighted Average Exercise Price
$1 - $20	274,381	5.48	$	17.04	121,317	3.10	$	15.79
$21 - $75	92,673	4.61	28.45		63,352	4.61	28.45
$76 - $150	7,703	0.32	96.45		7,703	0.32	96.45
$151 - $220	55,216	1.57	171.87		55,216	1.57	171.87
$1 - $220	429,973	4.70	$	40.80	247,588	3.06	$	58.61

Schedule of Nonvested Stock Awards and Performance Shares

Activity relating to nonvested stock awards, including the Performance Shares for the fiscal years ended September 30, 2012, 2011 and 2010 is as follows:

	Year Ended September 30, 2012				Year Ended September 30, 2011				Year Ended September 30, 2010
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Beginning of period	288,079		$	33.85	367,997		$	72.05	225,376		$	138.30
Granted	179,913		7.19		150,853		23.45		201,229		28.45
Vested	(88,497	)	34.20		(82,740	)	104.70		(40,303	)	166.05
Returned (a)	—		—		(10,502	)	342.80		—		—
Forfeited	(56,160	)	29.97		(137,529	)	58.50		(18,305	)	201.95
End of period	323,335		$	19.61	288,079		$	33.85	367,997		$	72.05

(a) Our former Chief Executive Offer returned 10,502 shares of unvested restricted stock in accordance with this agreement with the Securities and Exchange Commission.