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Stock Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2020
Share-based Payment Arrangement, Noncash Expense [Abstract] |
Stock Compensation Expense by Plan Type | Our stock compensation expense is presented below ($000's omitted):
| 2020 |  | 2019 |  | 2018
RSUs and performance shares | $ | 22,065 |  |  | $ | 21,538 |  |  | $ | 20,145 |
Long-term incentive plans | 10,778 |  |  | 6,830 |  |  | 8,145 |
| $ | 32,843 |  |  | $ | 28,368 |  |  | $ | 28,290 |
Stock Option Activity Rollforward | A summary of stock option activity is presented below (000’s omitted, except per share data):
| 2020 |  | 2019 |  | 2018
| Shares |  | Weighted- Average Per Share Exercise Price |  | Shares |  | Weighted- Average Per Share Exercise Price |  | Shares |  | Weighted- Average Per Share Exercise Price
Outstanding, beginning of year | 16 |  |  | $ | 8 |  |  | 563 |  |  | $ | 12 |  |  | 1,168 |  |  | $ | 11 |
Granted | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Exercised | (15) |  |  | 8 |  |  | (547) |  |  | 12 |  |  | (605) |  |  | 11 |
Forfeited | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Outstanding, end of year | 1 |  |  | $ | 8 |  |  | 16 |  |  | $ | 8 |  |  | 563 |  |  | $ | 12 |
Options exercisable at year end | 1 |  |  | $ | 8 |  |  | 16 |  |  | $ | 8 |  |  | 563 |  |  | $ | 12 |
Restricted Stock, RSUs, and Performance Shares Activity Rollforward | A summary of RSUs and performance shares is presented below (000’s omitted, except per share data):
| 2020 |  | 2019 |  | 2018
| Shares |  | Weighted- Average Per Share Grant Date Fair Value |  | Shares |  | Weighted- Average Per Share Grant Date Fair Value |  | Shares |  | Weighted- Average Per Share Grant Date Fair Value
Outstanding, beginning of year | 2,681 |  |  | $ | 26 |  |  | 3,074 |  |  | $ | 23 |  |  | 3,271 |  |  | $ | 19 |
Granted | 625 |  |  | 43 |  |  | 932 |  |  | 27 |  |  | 833 |  |  | 31 |
Distributed | (952) |  |  | 21 |  |  | (1,181) |  |  | 17 |  |  | (786) |  |  | 22 |
Forfeited | (169) |  |  | 33 |  |  | (144) |  |  | 26 |  |  | (244) |  |  | 22 |
Outstanding, end of year | 2,185 |  |  | $ | 32 |  |  | 2,681 |  |  | $ | 26 |  |  | 3,074 |  |  | $ | 23 |
Vested, end of year | 184 |  |  | $ | 24 |  |  | 153 |  |  | $ | 20 |  |  | 129 |  |  | $ | 21 |

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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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