Quarterly report pursuant to Section 13 or 15(d)

Net Income Per Share (Details)

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Net Income Per Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Net Income Per Share        
Net income $ 106,630 $ 110,797 $ 241,997 $ 302,792
Denominator:        
Weighted-average shares-basic, excluding unvested restricted stock units 166,268 166,343 166,632 166,513
Effect of dilutive options and restricted stock units 2,808 2,760 3,070 3,137
Weighted-average shares-diluted 169,076 169,103 169,702 169,650
Basic net income per share $ 0.64 $ 0.67 $ 1.45 $ 1.82
Diluted net income per share $ 0.63 $ 0.66 $ 1.43 $ 1.78
Anti-dilutive securities excluded from the computation of diluted net income per share 1,618 3,610 1,830 4,338
Payments of dividends $ 66,500 $ 58,100 $ 133,151 $ 116,561