Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Abstract]
Net income	$ 24,237	$ 22,299	$ 14,990
Unrealized (losses) gains on securities in supplemental retirement plans	741	162	674
Reclassification of Realized gain on supplemental retirement plans to other income	(535)	(400)	(1,316)
Other Comprehensive Income(Loss) Before Taxes	206	(238)	(642)
Income tax benefit (expense) related to securities in supplemental retirement plans gains (losses)	(78)	91	244
Net unrealized (losses) gains on securities in supplemental retirement plans gains(losses)	128	(147)	(398)
Minimum pension liability	(999)	(537)	376
Income tax benefit (expense) related to minimum pension liability	379	204	(143)
Net minimum pension liability	(620)	(333)	233
Other comprehensive (loss) income, net of tax	(492)	(480)	(165)
Comprehensive income	23,745	21,819	14,825
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax	$ 379	$ 204	$ (143)