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Incentive Plans: Stock Option Plan Policy: Schedule of Stock Option Plan Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Shares:    
Oustanding, End of Period 1,000,000.0 1,100,000.0
Stock Option Plans    
Shares:    
Outstanding, Beginning of Period 70,000  
Granted 0  
Exercised 0  
Forfeited (7,500)  
Oustanding, End of Period 62,500  
Stock options, Vested and expected to vest 62,500  
Stock options, Exercisable 62,500  
Weighted-Average Exercise Price (in dollars per share):    
Oustanding, Beginning of Period $ 22.81  
Granted 0.00  
Exercised 0.00  
Forfeited 29.93  
Outstanding, End of Period 21.95  
Vested and expected to vest at September 30, 2015 21.95  
Exercisable at September 30, 2015 $ 21.95  
Weighted- Average Remaining Contractual Term (Years):    
Outstanding at September 30, 2015 1 year 7 months 20 days  
Vested and expected to vest at September 30, 2015 1 year 7 months 20 days  
Exercisable at September 30, 2015 1 year 7 months 20 days  
Aggregate Intrinsic Value ($000):    
Outstanding at September 30, 2015 $ 0  
Vested and expected to vest at September 30, 2015 0  
Exercisable at September 30, 2015 $ 0