Annual report pursuant to Section 13 and 15(d)

Net Income Per Share (Details)

v3.5.0.2
Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Earnings Per Share [Abstract]                      
Net income $ 271,541 $ 175,777 $ 152,207 $ 104,897 $ 142,019 $ 131,638 $ 20,268 $ 72,233 $ 704,422 $ 366,158 $ 582,755
Denominator:                      
Weighted-average shares-basic, excluding unvested restricted stock units (in shares)                 155,869 162,282 166,016
Effect of dilutive options and restricted stock units (in shares)                 910 1,419 2,102
Weighted-average shares-diluted (in shares)                 156,779 163,701 168,118
Basic net income per share (in dollars per share) $ 1.74 [1] $ 1.13 [1] $ 0.98 [1] $ 0.67 [1] $ 0.90 [1] $ 0.81 [1] $ 0.12 [1] $ 0.44 [1] $ 4.52 $ 2.26 $ 3.51
Diluted net income per share (in dollars per share) $ 1.73 [1] $ 1.12 [1] $ 0.98 [1] $ 0.66 [1] $ 0.89 [1] $ 0.81 [1] $ 0.12 [1] $ 0.43 [1] $ 4.49 $ 2.24 $ 3.47
Anti-dilutive securities excluded from the computation of diluted net income per share (in shares)                 9 36 0
[1] Basic and diluted net income per share are computed independently for each of the quarters presented based on the weighted-average basic and fully diluted shares outstanding for each quarter. Therefore, the sum of quarterly basic and diluted net income per share information may not equal annual basic and diluted net income per share.