Additional Interim Footnote Information Additional Interim Footnote Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Mar. 31, 2013	Mar. 31, 2013	Mar. 31, 2012	Jun. 30, 2012
Loss Contingencies [Line Items]
Loss from Catastrophes		$ (12,436)
Former Gain Contingency, Recognized in Current Period	2,184	2,184
Loss Contingency Accrual, at Carrying Value	779	779
Class of Stock [Line Items]
Treasury stock, remaining number of shares authorized to be repurchased	4,140	4,140		4,539
Treasury Stock, Value	359,744	359,744		343,956
Treasury Stock, Shares, Acquired	398
Payments for Repurchase of Common Stock		$ 15,788	$ 0