Annual report pursuant to Section 13 and 15(d)

Net Income Per Share (Details)

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Net Income Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Numerator:                      
Net income $ 348,767 [1] $ 306,881 [1] $ (134,319) [1] $ 280,936 [1] $ 256,162 $ 253,562 $ 238,251 $ 178,101 $ 802,265 $ 926,076 $ 704,422
Denominator:                      
Weighted-average shares-basic, excluding unvested restricted stock units (in shares)                 156,346,000 156,468,000 155,869,000
Effect of dilutive options and restricted stock units and options (in shares) [2]                 1,032,000 1,013,000 910,000
Weighted-average shares-diluted (in shares)                 157,378,000 157,481,000 156,779,000
Basic net income per share (in dollars per share) $ 2.24 [3] $ 1.96 [3] $ (0.86) [3] $ 1.79 [3] $ 1.64 [3] $ 1.62 [3] $ 1.52 [3] $ 1.14 [3] $ 5.13 $ 5.92 $ 4.52
Diluted net income per share (in dollars per share) $ 2.22 [3] $ 1.95 [3] $ (0.86) [3] $ 1.78 [3] $ 1.62 [3] $ 1.61 [3] $ 1.52 [3] $ 1.13 [3] $ 5.10 $ 5.88 $ 4.49
Anti-dilutive securities excluded from the computation of diluted net income per share (in shares)                 0 46,000 9,000
Stock options outstanding (in shares) 0               0    
[1] The Company had net loss of $134.3 million in the second quarter of the fiscal year ended June 30, 2018, primarily as a result of the income tax effects from the enacted tax reform legislation through the Tax Cuts and Jobs Act, which was signed into law on December 22, 2017.
[2] The Company has not had any outstanding stock options since August 2016.
[3] Basic and diluted net income (loss) 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 (loss) per share information may not equal annual basic and diluted net income (loss) per share.