Earnings per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Numerator:
Numerator for basic and diluted earnings per share from continuing operations - loss from continuing operations	$ (10,283)	$ (18,228)	$ (14,157)	$ (31,508)
Numerator for basic and diluted earnings per share from discontinued operations - income (loss) from discontinued operations, net of income taxes	2,023	(2,330)	25	(12,798)
Net loss	$ (8,260)	$ (20,558)	$ (14,132)	$ (44,306)
Denominator:
Denominator for basic and diluted earnings per share - weighted-average shares outstanding (in shares)	72,710	60,881	67,346	60,841
Basic and diluted loss per share from continuing operations (in dollars per share)	$ (0.14)	$ (0.30)	$ (0.21)	$ (0.52)
Basic and diluted income (loss) per share from discontinued operations (in dollars per share)	$ 0.03	$ (0.04)	$ 0.00	$ (0.21)
Loss per share, basic and diluted, total (in dollars per share)	$ (0.11)	$ (0.34)	$ (0.21)	$ (0.73)
SARs
Statement
Anti-dilutive securities not considered in diluted EPS calculation (in shares)	1,409	3,969	1,561	4,027
Stock Options
Statement
Anti-dilutive securities not considered in diluted EPS calculation (in shares)	1,078	1,398	1,144	1,451
Restricted Stock
Statement
Anti-dilutive securities not considered in diluted EPS calculation (in shares)	0	0	0	83