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) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Assets
Assets, carrying value	$ 40,626	$ 30,360
Assets, non-recurring losses (gains)	0	0
Vacant owned facilities
Assets
Assets, carrying value	2,475	2,520
Assets, non-recurring losses (gains)	0	0
Net assets of acquired businesses
Assets
Assets, carrying value	38,151	27,840
Assets, non-recurring losses (gains)	$ 0	$ 0