Incentive Plans Incentive Plans: Narrative (Details) (USD $)	12 Months Ended						3 Months Ended	12 Months Ended																12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended
	Jun. 30, 2013 plan	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2013 Equity Incentive Plans	Jun. 30, 2012 Equity Incentive Plans	Jun. 30, 2011 Equity Incentive Plans	Jun. 30, 2012 Equity Incentive Plans Stock Options	Jun. 30, 2013 Equity Incentive Plans Stock Options	Jun. 30, 2012 Equity Incentive Plans Stock Options	Jun. 30, 2011 Equity Incentive Plans Stock Options	Jun. 30, 2013 Equity Incentive Plans Stock Options Maximum	Jun. 30, 2013 Equity Incentive Plans Stock Options Award Vesting Term 1	Jun. 30, 2011 Equity Incentive Plans Stock Options Award Vesting Term 1	Jun. 30, 2013 Equity Incentive Plans Stock Options Award Vesting Term 2	Jun. 30, 2011 Equity Incentive Plans Stock Options Award Vesting Term 2	Jun. 30, 2013 Equity Incentive Plans Restricted Stock	Jun. 30, 2012 Equity Incentive Plans Restricted Stock	Jun. 30, 2011 Equity Incentive Plans Restricted Stock	Jun. 30, 2013 Equity Incentive Plans Restricted Stock Maximum	Jun. 30, 2011 Equity Incentive Plans Restricted Stock Award Vesting Term 1	Jun. 30, 2011 Equity Incentive Plans Restricted Stock Award Vesting Term 2	Jun. 30, 2013 2010 Equity Incentive Plan Stock Options	Dec. 31, 2010 2010 Equity Incentive Plan Stock Options	Jun. 30, 2013 2010 Equity Incentive Plan Restricted Stock	Dec. 31, 2010 2010 Equity Incentive Plan Restricted Stock	Jun. 30, 2013 2006 Equity Incentive Plan Stock Options	Dec. 31, 2006 2006 Equity Incentive Plan Stock Options	Jun. 30, 2013 2006 Equity Incentive Plan Restricted Stock	Dec. 31, 2006 2006 Equity Incentive Plan Restricted Stock	Jun. 30, 2013 Stock Option Plans	Jun. 30, 2012 Stock Option Plans	Jun. 30, 2011 Stock Option Plans	Jun. 30, 2013 Stock Option Plans Stock Options	Jun. 30, 2012 Stock Option Plans Stock Options	Jun. 30, 2011 Stock Option Plans Stock Options	Jun. 30, 2013 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	4
Share-based compensation expense	$ 768,000	$ 1,300,000	$ 958,000
Income tax benefit recognized for share-based compensation plans	92,000	0	0
Number of shares authorized for Equity Incentive Plan																							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																						117,250		43,312		73,000		27,750
Award vesting period											5 years	2 years	2 years	4 years	4 years				5 years	2 years	4 years															5 years
Stock options granted, weighted average grant date fair value				$ 16.47	$ 0.00	$ 7.43		$ 8.35		$ 3.64																				$ 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				42,000	9,000	0	9,000	42,000																						0	0	0
Stock options, Granted				20,000	0	412,000		20,000		412,000																				0	0	0
Stock options, Forfeitured				24,000	0	0		24,000																						7,500	62,700	67,500	7,500	62,700	67,500
Number of shares available for grant							184,450	188,450	184,450							169,600	168,100																14,900	0
Unrecognized share-based compensation expense, stock options				700,000	1,200,000																									0	1,000
Share-based compensation cost not yet recognized, weighted average period for recognition (less than)								2 years 2 months 24 days	3 years 0 months 12 days							2 years 0 months 0 days	3 years 0 months 12 days
Forfeiture rate for Equity Incentive Plans								20.00%	20.00%							20.00%	20.00%																20.00%
Treasury stock, Shares used to fund Equity Incentive Plans for restricted stock	7,275,466	6,763,838																							288,750				185,000
Restricted stock, Vesting and distribution																73,050	111,500	12,000
Restricted stock, Forfeited																1,500	0	0
Restricted stock, grants in period																0	0	146,000
Restricted stock, award vesting percentage												50.00%	50.00%	50.00%	50.00%					50.00%	50.00%
Unrecognized share-based compensation expense, restricted stock																505,000	820,000
Restricted stock, Fair value of shares vested and distributed																$ 1,100,000	$ 922,000	$ 83,000