CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 3,751	$ 21,577	$ 50,182
Other comprehensive income (loss), net of tax:
Pension and post-retirement	(4,038)	41,280	(16,741)
Foreign currency translation adjustment	(991)	1,012	698
Other comprehensive income (loss)	(5,029)	42,292	(16,043)
Comprehensive income (loss)	$ (1,278)	$ 63,869	$ 34,139