Consolidated Statements Of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Consolidated Statements Of Comprehensive Income [Abstract]
Defined benefit pension and postretirement plans activity, tax	$ 27	$ 0	$ 80	$ 0
Unrealized gains/(losses) on available-for-sale securities, tax	9	0	9	0
Foreign currency translation adjustment, tax	$ (184)	$ 0	$ 1,873	$ 0