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v3.19.2

Stock-Based Compensation Plans (Tables) | 12 Months Ended
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May 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Weighted-Average Assumptions | ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿ | Year ended May 31,
﻿ | 2019 |  | 2018 |  | 2017
﻿ | Stock options
﻿Risk-free interest rate |  | 2.9 | % |  |  | 2.1 | % |  |  | 1.2 | %
﻿Dividend yield |  | 3.5 | % |  |  | 3.4 | % |  |  | 3.6 | %
﻿Volatility factor |  | 0.18 |  |  |  | 0.17 |  |  |  | 0.18 |
﻿Expected option life in years |  | 6.1 |  |  |  | 6.1 |  |  |  | 6.1 |
﻿Weighted-average grant-date fair value of stock options granted (per share) | $ | 8.87 |  |  | $ | 6.47 |  |  | $ | 5.74 |
﻿ ﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿ | Year ended May 31,
﻿ | 2019 |  | 2018 |  | 2017
﻿ | Performance stock options
﻿Risk-free interest rate |  | 2.9 | % |  |  | 2.4 | % |  |  | 1.3 | %
﻿Dividend yield |  | 3.5 | % |  |  | 3.3 | % |  |  | 3.6 | %
﻿Volatility factor |  | 0.18 |  |  |  | 0.18 |  |  |  | 0.18 |
﻿Expected option life in years |  | 6.5 |  |  |  | 6.5 |  |  |  | 6.5 |
﻿Weighted-average grant-date fair value of stock options granted (per share) | $ | 9.02 |  |  | $ | 7.45 |  |  | $ | 5.97 |
﻿
Stock Option Activity |
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  | Weighted- |  |  |
﻿ |  |  |  | Weighted- |  | average |  |  |
﻿ |  | Shares |  | average |  | remaining |  | Aggregate
﻿ |  | subject |  | exercise price |  | contractual |  | intrinsic
﻿In millions, except per share amounts |  | to options |  | per share |  | term (years) |  | value(1)
﻿Outstanding as of May 31, 2018 |  | 4.4 |  | $ | 44.60 |  |  |  |  |
﻿Granted |  | 0.6 |  | $ | 69.71 |  |  |  |  |
﻿Exercised |  | (0.7) |  | $ | 36.73 |  |  |  |  |
﻿Forfeited |  | — |  | $ | 61.31 |  |  |  |  |
﻿Expired |  | — |  | $ | 31.00 |  |  |  |  |
﻿Outstanding as of May 31, 2019 |  | 4.3 |  | $ | 49.23 |  | 5.9 |  | $ | 157.1
﻿Exercisable as of May 31, 2019 |  | 2.9 |  | $ | 42.83 |  | 4.8 |  | $ | 123.2
﻿
| (1) |  | Total shares valued at the market price of the underlying stock as of May 31, 2019 less the exercise price.
﻿
Other Information Pertaining to Stock Option |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year ended May 31,
﻿In millions |  | 2019 |  | 2018 |  | 2017
﻿Total intrinsic value of stock options exercised |  | $ | 25.7 |  | $ | 9.1 |  | $ | 23.8
﻿Total grant-date fair value of stock options vested |  | $ | 4.3 |  | $ | 4.0 |  | $ | 4.1
﻿
RSU Activity |
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  | Weighted- |  |  |
﻿ |  |  |  | Weighted- |  | average |  |  |
﻿ |  |  |  | average |  | remaining |  |  |
﻿ |  |  |  | grant-date |  | vesting |  | Aggregate
﻿ |  |  |  | fair value |  | period |  | intrinsic
﻿In millions, except per share amounts |  | RSUs |  | per share |  | (years) |  | value(1)
﻿Nonvested as of May 31, 2018 |  | 1.1 |  | $ | 48.79 |  |  |  |  |
﻿Granted |  | 0.5 |  | $ | 62.20 |  |  |  |  |
﻿Vested |  | — |  | $ | 48.28 |  |  |  |  |
﻿Forfeited |  | (0.1) |  | $ | 52.68 |  |  |  |  |
﻿Nonvested as of May 31, 2019 |  | 1.5 |  | $ | 53.45 |  | 2.9 |  | $ | 127.0
﻿
| (1) |  | Intrinsic value for RSUs is based on the market price of the underlying stock as of May 31, 2019.
﻿
Other Information Pertaining to RSUs |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year ended May 31,
﻿In millions, except per share amounts |  | 2019 |  | 2018 |  | 2017
﻿Weighted-average grant-date fair value per share of RSUs granted |  | $ | 62.20 |  | $ | 51.15 |  | $ | 53.76
﻿Total intrinsic value of RSUs vested |  | $ | 1.2 |  | $ | 60.9 |  | $ | 32.3
﻿Total grant-date fair value of RSUs vested |  | $ | 0.8 |  | $ | 42.4 |  | $ | 19.3
﻿
Restricted Stock Activity |
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ |  |  |  | Weighted-
﻿ |  |  |  | average
﻿ |  |  |  | grant-date
﻿ |  | Restricted |  | fair value
﻿In millions, except per share amounts |  | shares |  | per share
﻿Nonvested as of May 31, 2018 |  | 0.1 |  | $ | 56.89
﻿Granted |  | 0.1 |  | $ | 69.80
﻿Vested |  | (0.1) |  | $ | 55.50
﻿Forfeited |  | — |  | $ | 69.54
﻿Nonvested as of May 31, 2019 |  | 0.1 |  | $ | 64.32
﻿
Other Information Pertaining to Restricted Stock |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year ended May 31,
﻿In millions, except per share amounts |  | 2019 |  | 2018 |  | 2017
﻿Weighted-average grant-date fair value per share of restricted stock granted |  | $ | 69.80 |  | $ | 57.50 |  | $ | 60.83
﻿Total grant-date fair value of restricted stock vested |  | $ | 3.0 |  | $ | 3.0 |  | $ | 3.0
﻿
Performance Share Activity | ﻿
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ |  |  |  | Weighted-
﻿ |  |  |  | average
﻿ |  |  |  | grant-date
﻿ |  | Performance |  | fair value
﻿In millions, except per share amounts |  | shares |  | per share
﻿Nonvested as of May 31, 2018 |  | 0.4 |  | $ | 51.53
﻿Granted (1) |  | 0.1 |  | $ | 65.17
﻿Vested |  | (0.1) |  | $ | 44.53
﻿Forfeited |  | — |  | $ | 58.86
﻿Nonvested as of May 31, 2019 |  | 0.4 |  | $ | 58.09
﻿
| (1) |  | Performance shares granted assuming achievement of performance goals at target. Actual amount of shares to be earned may differ from this amount.
Other Information Pertaining to Performance Shares |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year ended May 31,
﻿In millions, except per share amounts |  | 2019 |  | 2018 |  | 2017
﻿Weighted-average grant-date fair value per share of performance shares granted |  | $ | 65.17 |  | $ | 53.08 |  | $ | 54.97
﻿Total grant-date fair value of performance shares vested |  | $ | 5.3 |  | $ | 6.6 |  | $ | 7.8
﻿
Performance Stock Options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock Option Activity |
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  | Weighted- |  |  |
﻿ |  |  |  | Weighted- |  | average |  |  |
﻿ |  | Shares |  | average |  | remaining |  | Aggregate
﻿ |  | subject |  | exercise price |  | contractual |  | intrinsic
﻿In millions, except per share amounts |  | to options |  | per share |  | term (years) |  | value(1)
﻿Outstanding as of May 31, 2018 |  | 2.1 |  | $ | 49.26 |  |  |  |  |
﻿Granted(2) |  | 0.1 |  | $ | 69.54 |  |  |  |  |
﻿Exercised |  | (0.2) |  | $ | 33.80 |  |  |  |  |
﻿Forfeited |  | (0.1) |  | $ | 61.37 |  |  |  |  |
﻿Expired |  | — |  | $ | — |  |  |  |  |
﻿Outstanding as of May 31, 2019 |  | 1.9 |  | $ | 51.09 |  | 5.5 |  | $ | 66.5
﻿Exercisable as of May 31, 2019 |  | 0.6 |  | $ | 31.45 |  | 2.1 |  | $ | 35.3
﻿
| (1) |  | Shares valued at the market price of the underlying stock as of May 31, 2019 less the exercise price.
| (2) |  | LTIP performance stock options granted assumes achievement of performance goals at target. Actual amount of shares to be earned may differ from this amount.
Other Information Pertaining to Stock Option |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year ended May 31,
﻿In millions |  | 2019 |  | 2018 |  | 2017
﻿Total intrinsic value of stock options exercised |  | $ | 8.2 |  | $ | 7.9 |  | $ | 12.4
﻿Total grant-date fair value of stock options vested |  | $ | — |  | $ | — |  | $ | 4.9
﻿
Performance-Based Restricted Stock [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Restricted Stock Activity | ﻿
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ |  |  |  | Weighted-
﻿ |  |  |  | average
﻿ |  |  |  | grant-date
﻿ |  | Restricted |  | fair value
﻿In millions, except per share amounts |  | shares |  | per share
﻿Nonvested as of May 31, 2018 |  | 0.2 |  | $ | 53.86
﻿Granted(1) |  | — |  | $ | 65.17
﻿Vested |  | — |  | $ | —
﻿Forfeited |  | — |  | $ | 56.03
﻿Nonvested as of May 31, 2019 |  | 0.2 |  | $ | 54.31
| (1) |  | LTIP performance shares granted assumes achievement of performance goals at target. Actual amount of shares to be earned may differ from this amount.

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