Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) (Parentheticals) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Unrealized Losses on Available-for-Sale Investments, Tax $ 526 $ 467 $ 426 $ (16,929)