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, 2011
Dec. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Net Income Per Share        
Net income $ 110,797 $ 185,492 $ 302,792 $ 339,688
Denominator:        
Weighted-average shares-basic, excluding unvested restricted stock units 166,343 166,886 166,513 167,052
Effect of dilutive options and restricted stock units 2,760 2,627 3,137 2,633
Weighted-average shares-diluted 169,103 169,513 169,650 169,685
Basic net income per share $ 0.67 $ 1.11 $ 1.82 $ 2.03
Diluted net income per share $ 0.66 $ 1.09 $ 1.78 $ 2.00
Anti-dilutive securities excluded from the computation of diluted net income per share 3,610 8,622 4,338 9,602
Payments of dividends $ 58,100 $ 41,800 $ 116,561 $ 83,594