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Share Based Compensation - Exercise price ranges (Details) shares in Thousands, Option in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 Option $ / shares shares | Dec. 31, 2021 Option $ / shares shares | Dec. 31, 2020 Option $ / shares
Share Based Compensation |  |  |
Number of share options | Option | 21,068 | 37,090 | 38,373
Weighted average remaining contractual life | 3 years |  |
Weighted Average Exercise Price | $ 38.55 | $ 38.39 | $ 39.65
Number of exercisable share option | Option | 16,407 | 28,421 |
Weighted Average Exercise Price Exercisable | $ 40.19 | $ 39.87 |
Common shares authorized for issuance | shares | 27,901 | 25,037 |
22.00-23.27 |  |  |
Share Based Compensation |  |  |
Number of share options | Option | 2,658 |  |
Weighted average remaining contractual life | 5 years |  |
Weighted Average Exercise Price | $ 22.65 |  |
Number of exercisable share option | Option | 1,064 |  |
Weighted Average Exercise Price Exercisable | $ 22.65 |  |
22.00-23.27 | Minimum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | 22.63 |  |
22.00-23.27 | Maximum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | $ 24.99 |  |
23.28-24.99 |  |  |
Share Based Compensation |  |  |
Number of share options | Option | 9 |  |
Weighted average remaining contractual life | 5 years |  |
Weighted Average Exercise Price | $ 29.31 |  |
Number of exercisable share option | Option | 3 |  |
Weighted Average Exercise Price Exercisable | $ 29.34 |  |
23.28-24.99 | Minimum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | 25.00 |  |
23.28-24.99 | Maximum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | $ 29.99 |  |
30.00-34.99 |  |  |
Share Based Compensation |  |  |
Number of share options | Option | 731 |  |
Weighted Average Exercise Price | $ 30.30 |  |
Number of exercisable share option | Option | 718 |  |
Weighted Average Exercise Price Exercisable | $ 30.28 |  |
30.00-34.99 | Minimum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | 30.00 |  |
30.00-34.99 | Maximum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | $ 34.99 |  |
35.00-39.99 |  |  |
Share Based Compensation |  |  |
Number of share options | Option | 6,176 |  |
Weighted average remaining contractual life | 4 years |  |
Weighted Average Exercise Price | $ 38.37 |  |
Number of exercisable share option | Option | 3,255 |  |
Weighted Average Exercise Price Exercisable | $ 38.85 |  |
35.00-39.99 | Minimum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | 35.00 |  |
35.00-39.99 | Maximum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | $ 39.99 |  |
40.00-44.99 |  |  |
Share Based Compensation |  |  |
Number of share options | Option | 11,298 |  |
Weighted average remaining contractual life | 2 years |  |
Weighted Average Exercise Price | $ 42.73 |  |
Number of exercisable share option | Option | 11,235 |  |
Weighted Average Exercise Price Exercisable | $ 42.75 |  |
40.00-44.99 | Minimum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | 40.00 |  |
40.00-44.99 | Maximum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | $ 44.99 |  |
45.00-49.99 |  |  |
Share Based Compensation |  |  |
Number of share options | Option | 101 |  |
Weighted average remaining contractual life | 5 years |  |
Weighted Average Exercise Price | $ 48.05 |  |
Number of exercisable share option | Option | 44 |  |
Weighted Average Exercise Price Exercisable | $ 48.41 |  |
45.00-49.99 | Minimum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | 45.00 |  |
45.00-49.99 | Maximum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | $ 49.99 |  |
50.00-54.27 |  |  |
Share Based Compensation |  |  |
Number of share options | Option | 95 |  |
Weighted average remaining contractual life | 3 years |  |
Weighted Average Exercise Price | $ 52.78 |  |
Number of exercisable share option | Option | 88 |  |
Weighted Average Exercise Price Exercisable | $ 52.85 |  |
50.00-54.27 | Minimum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | 50.00 |  |
50.00-54.27 | Maximum |  |  |
Share Based Compensation |  |  |
Exercise price (in dollars per share) | $ 54.27 |  |

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