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Incentive Plans Incentive Plans: Narrative (Details) (USD $)
 12 Months Ended 12 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Jun. 30, 2014
plan
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2014
2013 Equity Incentive Plan [Member]
Stock Options
Dec. 31, 2013
2013 Equity Incentive Plan [Member]
Stock Options
Jun. 30, 2014
2013 Equity Incentive Plan [Member]
Restricted Stock
Dec. 31, 2013
2013 Equity Incentive Plan [Member]
Restricted Stock
Jun. 30, 2014
Equity Incentive Plans
Jun. 30, 2013
Equity Incentive Plans
Jun. 30, 2012
Equity Incentive Plans
Jun. 30, 2013
Equity Incentive Plans
Stock Options
Jun. 30, 2014
Equity Incentive Plans
Stock Options
Jun. 30, 2013
Equity Incentive Plans
Stock Options
Jun. 30, 2012
Equity Incentive Plans
Stock Options
Jun. 30, 2014
Equity Incentive Plans
Stock Options
Maximum
Jun. 30, 2014
Equity Incentive Plans
Stock Options
Award Vesting Term 1
Jun. 30, 2014
Equity Incentive Plans
Stock Options
Award Vesting Term 2
Jun. 30, 2014
Equity Incentive Plans
Restricted Stock
Jun. 30, 2013
Equity Incentive Plans
Restricted Stock
Jun. 30, 2012
Equity Incentive Plans
Restricted Stock
Jun. 30, 2014
Equity Incentive Plans
Restricted Stock
Maximum
Jun. 30, 2012
Equity Incentive Plans
Restricted Stock
Award Vesting Term 1
Jun. 30, 2012
Equity Incentive Plans
Restricted Stock
Award Vesting Term 2
Jun. 30, 2014
2010 Equity Incentive Plan
Stock Options
Dec. 31, 2010
2010 Equity Incentive Plan
Stock Options
Jun. 30, 2014
2010 Equity Incentive Plan
Restricted Stock
Dec. 31, 2013
2010 Equity Incentive Plan
Restricted Stock
Dec. 31, 2010
2010 Equity Incentive Plan
Restricted Stock
Jun. 30, 2014
2006 Equity Incentive Plan
Stock Options
Dec. 31, 2006
2006 Equity Incentive Plan
Stock Options
Jun. 30, 2014
2006 Equity Incentive Plan
Restricted Stock
Dec. 31, 2006
2006 Equity Incentive Plan
Restricted Stock
Jun. 30, 2014
Stock Option Plans
Jun. 30, 2013
Stock Option Plans
Jun. 30, 2012
Stock Option Plans
Jun. 30, 2014
Stock Option Plans
Stock Options
Jun. 30, 2013
Stock Option Plans
Stock Options
Jun. 30, 2012
Stock Option Plans
Stock Options
Jun. 30, 2014
Stock Option Plans
Stock Options
Maximum
Dec. 31, 2003
2003 Stock Option Plan
Stock Options
Dec. 31, 1996
1996 Stock Option Plan
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                                                  
Number of share-based compensation plans 5                                                                                
Share-based compensation expense $ 526,000 $ 800,000 $ 1,300,000                                                                            
Income tax benefit recognized for share-based compensation plans 315,000 92,000 0                                                                            
Number of shares authorized for Equity Incentive Plan         300,000   300,000                                   586,250     288,750   365,000   185,000               352,500 1,150,000.00
Annual limitation on awards granted to an individual under Equity Incentive Plan       60,000   45,000                                   117,250   43,312     73,000   27,750                    
Award vesting period                             5 years 2 years 4 years       5 years 2 years 4 years                               5 years    
Stock options granted, weighted average grant date fair value               $ 15.14 $ 16.47 $ 0.00   $ 6.80   $ 8.35                                     $ 0.00 $ 0.00 $ 0.00            
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period                                     0 0                                          
Maximum term for stock awards                             10 years                                               10 years    
Term used to calculate expected volatility                       84 months                                               84 months          
Stock options, Exercised               52,500 42,000 9,000 9,000 52,500 42,000                                       0 0 0            
Stock options, Granted               20,000 20,000 0   20,000                                         0 0 0            
Stock options, Forfeitured               31,300 24,000 0   31,300 24,000                                       317,700 7,500 62,700 317,700 7,500 62,700      
Number of shares available for grant                     188,450 499,750 188,450         460,350 169,600                                 14,900          
Unrecognized share-based compensation expense, stock options               400,000 700,000                                               0                
Share-based compensation cost not yet recognized, weighted average period for recognition (less than)                       1 year 0 months 0 days 2 years 2 months 0 days         2 years 0 months 20 days 2 years 0 months 0 days                                            
Forfeiture rate for Equity Incentive Plans                       20.00% 20.00%         20.00% 20.00%                                            
Treasury stock, Shares used to fund Equity Incentive Plans for restricted stock 8,402,096 7,275,466                                                 300,000 288,750       185,000                  
Restricted stock, Vesting and distribution                                   0 73,050 111,500                                          
Restricted stock, Forfeited                                   5,750 1,500 0                                          
Restricted stock, grants in period                                   15,000 0 0                                          
Restricted stock, award vesting percentage                               50.00% 50.00%         50.00% 50.00%                                    
Unrecognized share-based compensation expense, restricted stock                                   472,000 505,000                                            
Restricted stock, Fair value of shares vested and distributed                                   $ 0 $ 1,100,000 $ 922,000