Stock Based Compensation (Tables)

12 Months Ended

Jun. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of weighted average assumptions for option awards

	2016			2015
Dividend yield		3.99	%		3.85	%
Expected stock price volatility		27.80	%		31.27	%
Risk-free interest rate		1.20	%		1.34	%
Expected option life (in years)		4.2	yrs		4.1	yrs
Weighted average fair value per share
of options granted during the period	$	3.866		$	4.616

Schedule of stock option activity

	Employee Stock Options Plan
						Weighted
	Number of			Weighted		Average
	Shares			Average		Remaining		Aggregate
	Subject			Exercise		Contractual		Intrinsic
	to Option			Price		Term		Value
Balance at July 1, 2015		187,500		$	23.38		6.26
Granted		3,000		$	25.12		9.69
Exercised		(16,300	)	$	18.22		—
Forfeited or expired		(3,750	)	$	26.02		—
Outstanding at June 30, 2016		170,450		$	23.84		5.73	$	469,132
Vested or expected to vest at June 30, 2016		163,794		$	23.75		5.60	$	457,193
Exercisable at June 30, 2016		124,650		$	23.00		4.56	$	469,132

Schedule of changes in non-vested stock options

	Weighted
	Number of			Average
	Shares			Grant Date
	Subject			Fair Value
	to Option			(per Option)
Non-Vested at July 1, 2015		69,300		$	4.310
Granted		3,000			3.866
Vested		(25,250	)		3.777
Forfeited or expired		(1,250	)		4.710
Non-Vested at June 30, 2016		45,800		$	4.564