Retirement Plan and Incentive Awards (Tables)

12 Months Ended

Sep. 30, 2013

Retirement Plan and Incentive Awards [Abstract]

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. We used the following weighted-average assumptions for options granted::

	2013			2012			2011
Expected life of options	5.0 years			5.0 years			4.8 years
Expected volatility	46.15		%	44.77		%	51.70		%
Expected discrete dividends	—			—			—
Weighted average risk-free interest rate	0.63		%	0.90		%	1.22		%
Weighted average fair value	$	5.48		$	4.30		$	10.50

Schedule of Stock Options and SSARs Outstanding, and Related Activity

	2013				2012				2011
	Shares		Weighted- Average Exercise Price		Shares		Weighted- Average Exercise Price		Shares		Weighted- Average Exercise Price
Outstanding at beginning of period	429,973		$	40.80	375,248		$	48.85	515,671		$	113.45
Granted	160,651		13.56		109,507		10.80		150,853		23.45
Exercised	(681	)	10.80		—		—		—		—
Expired	(22,914	)	47.65		(10,948	)	82.51		(148,393	)	270.10
Forfeited	(6,245	)	17.93		(43,834	)	24.13		(142,883	)	25.45
Outstanding at end of period	560,784		$	33.01	429,973		$	40.80	375,248		$	48.85
Exercisable at end of period	310,120		$	48.73	247,588		$	58.61	163,076		$	64.65
Vested or expected to vest in the future	558,519		$	33.09	428,597		$	40.88	367,693		$	49.30

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, 2013:

	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	357,297	5.74	$	14.26	127,739	3.82	$	17.18
$21 - $75	148,271	3.85	26.47		127,165	3.77	26.95
$76 - $150	—	—	—		—	—	—
$151 - $220	55,216	0.57	171.87		55,216	0.57	171.87
$1 - $220	560,784	4.73	$	33.01	310,120	3.22	$	48.73

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, 2013, 2012 and 2011 is as follows:

	Year Ended September 30, 2013				Year Ended September 30, 2012				Year Ended September 30, 2011
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Beginning of period	323,335		$	19.61	288,079		$	33.85	367,997		$	72.05
Granted	99,413		10.95		179,913		7.19		150,853		23.45
Vested	(126,124	)	27.59		(88,497	)	34.20		(82,740	)	104.70
Returned (a)	—		—		—		—		(10,502	)	342.80
Forfeited	(16,208	)	30.57		(56,160	)	29.97		(137,529	)	58.50
End of period	280,416		$	12.32	323,335		$	19.61	288,079		$	33.85

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