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 |
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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 | |||||||||||||||||||||||
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