CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	$ 0	$ 383	$ 63
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	(2,938)	3,059	3,979
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	$ (66)	$ 95	$ 35
Common Stock, Dividends, Per Share, Declared	$ 0.32	$ 0.32	$ 0.32
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net, Total	$ 0	$ 18	$ 300