Earnings per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Numerator:
Numerator for basic and diluted earnings per share from continuing operations - income (loss) from continuing operations	$ 9,248	$ 2,042	$ (4,909)	$ (29,466)
Numerator for basic and diluted earnings per share from discontinued operations - income (loss) from discontinued operations, net of income taxes	1,768	(15,078)	1,793	(27,876)
Net income (loss)	$ 11,016	$ (13,036)	$ (3,116)	$ (57,342)
Denominator:
Denominator for basic earnings per share - weighted-average shares outstanding	72,892	60,931	69,195	60,871
Effect of dilutive securities - shares issuable upon exercise of options and SARs and vesting of restricted stock	1,247	494	0	0
Denominator for diluted earnings per share - weighted-average shares outstanding after assumed exercises and vesting	74,139	61,425	69,195	60,871
Basic and diluted income (loss) per share from continuing operations (in dollars per share)	$ 0.13	$ 0.03	$ (0.07)	$ (0.48)
Basic and diluted income (loss) per share from discontinued operations (in dollars per share)	$ 0.02	$ (0.24)	$ 0.02	$ (0.46)
Earnings (loss) per share, basic and diluted, total (in dollars per share)	$ 0.15	$ (0.21)	$ (0.05)	$ (0.94)
SARs
Statement
Anti-dilutive securities not considered in diluted EPS calculation (in shares)	777	2,243	1,300	3,432
Stock Options
Statement
Anti-dilutive securities not considered in diluted EPS calculation (in shares)	936	1,367	1,075	1,423
Restricted Stock
Statement
Anti-dilutive securities not considered in diluted EPS calculation (in shares)	0	0	0	55