CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Net income	$ 50,182	$ 31,128	$ 8,875
Other comprehensive loss, net of tax:
Pension and postretirement	(16,741)	(17,656)	(13,042)
Foreign currency translation adjustment	698	645	(539)
Other comprehensive loss	(16,043)	(17,011)	(13,581)
Comprehensive income (loss)	$ 34,139	$ 14,117	$ (4,706)