CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Tax on unrealized (loss) gain on available for sale securities	$ (394)	$ 353	$ (319)	$ 150
Tax on net unrealized gain (loss) on derivatives	6	95	56	(14)
Tax on adjustment for postemployment benefit obligation	$ 169	$ 111	$ 506	$ 334