Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Earnings and Comprehensive Income (Parenthetical)

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Condensed Consolidated Statements of Earnings and Comprehensive Income (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Mar. 31, 2012
Unrealized gains (losses) on available for sale investments, tax $ 6,610 $ 13,326 $ (2,659) $ 13,319