Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Abstract]
Net income	$ 5,389	$ 5,366	$ 10,141	$ 11,129
Unrealized (losses) gains on securities in supplemental retirement plans	(105)	669	(44)	402
Reclassification of realized (loss) gain on supplemental retirement plans to other income	84	(348)	104	(256)
Other comprehensive income (loss) before taxes	(21)	321	60	146
Income tax benefit (expense) related to securities in supplemental retirement plans gains (losses)	8	(122)	(23)	(56)
Other comprehensive gain (loss), net of tax	(13)	199	37	90
Comprehensive income	$ 5,376	$ 5,565	$ 10,178	$ 11,219

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=51831270

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