Dividend (Details) (USD $)	3 Months Ended	6 Months Ended
	Dec. 31, 2012	Dec. 31, 2012
Dividend Per Share	$ 0.56	$ 0.68
Dividends		$ 6,283,000
Dividends Payable	330,000	330,000
Current dividends payable	76,000	76,000
Noncurrent dividends payable	254,000	254,000
July 17, 2012 [Member]
Record Date		Jul. 17, 2012
Payment Date		Jul. 31, 2012
Type		Quarterly
Dividend Per Share		$ 0.06
Dividends		541,000
September 14, 2012 [Member]
Record Date		Sep. 14, 2012
Payment Date		Sep. 28, 2012
Type		Quarterly
Dividend Per Share		$ 0.06
Dividends		554,000
December 14, 2012 [Member]
Record Date		Dec. 14, 2012
Payment Date		Dec. 28, 2012
Type		Quarterly
Dividend Per Share		$ 0.06
Dividends		556,000
December 21, 2012 [Member]
Record Date		Dec. 21, 2012
Payment Date		Dec. 31, 2012
Type		Special
Dividend Per Share		$ 0.50
Dividends		$ 4,632,000