Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Abstract]
Net income	$ 6,956	$ 4,420	$ 16,518	$ 9,358
Unrealized (losses) gains on securities in supplemental retirement plans	93	67	171	574
Reclassification of Realized gain on supplemental retirement plans to other income	(100)	(431)	(299)	(1,238)
Other Comprehensive Income(Loss) Before Taxes	(7)	(364)	(128)	(664)
Income tax benefit (expense) related to securities in supplemental retirement plans gains (losses)	3	138	49	252
Other comprehensive (loss) income, net of tax	(4)	(226)	(79)	(412)
Comprehensive income	$ 6,952	$ 4,194	$ 16,439	$ 8,946