Incentive Plans: Equity Incentive Plan Policy: Schedule of Incentive Plan Stock Option Activity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Shares:
Oustanding, End of Period	1,100,000	1,200,000	1,200,000
Equity Incentive Plans
Shares:
Outstanding, Beginning of Period	757,800	766,800	354,800
Granted	20,000	0	412,000
Exercised	(42,000)	(9,000)	0
Forfeited	(24,000)	0	0
Oustanding, End of Period	711,800	757,800	766,800
Vested and expected to vest at year end	668,900	660,800	370,610
Exercisable at year end	497,300	345,800	139,040
Weighted-Average Exercise Price (in dollars per share):
Oustanding, Beginning of Period	$ 12.13	$ 12.07	$ 17.45
Granted	$ 16.47	$ 0.00	$ 7.43
Exercised	$ 7.03	$ 7.03	$ 0.00
Forfeited	$ 7.41	$ 0.00	$ 0.00
Outstanding, End of Period	$ 12.71	$ 12.13	$ 12.07
Vested and expected to vest at year end	$ 12.99	$ 12.82	$ 16.59
Exercisable at year end	$ 14.62	$ 17.73	$ 28.31
Weighted- Average Remaining Contractual Term (Years):
Outstanding at year end	6 years 5 months 5 days	7 years 3 months 25 days	8 years 3 months 22 days
Vested and expected to vest at year end	6 years 3 months 25 days	7 years 29 days	6 years 11 months 23 days
Exercisable at year end	5 years 8 months 16 days	5 years 4 months 6 days	5 years 7 months 10 days
Aggregate Intrinsic Value ($000):
Outstanding at year end	$ 4,429	$ 2,463	$ 321
Vested and expected to vest at year end	4,100	2,066	173
Exercisable at year end	$ 2,785	$ 774	$ 0