Fair Value Measurements (Schedule Of Non-Recurring Losses Recognized Using Fair Value Measurements And The Carrying Value Of Any Assets And Liabilities Measured Using Fair Value Estimates) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Assets
Assets, carrying value	$ 28,429	$ 62,248
Assets, non-recurring losses (gains)	0	0
Vacant Owned Facilities
Assets
Assets, carrying value	2,548	2,704
Assets, non-recurring losses (gains)	0	0
Net Assets Of Acquired Businesses
Assets
Assets, carrying value	25,881	59,544
Assets, non-recurring losses (gains)	$ 0	$ 0