SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Weighted-Average Common Shares Outstanding Assuming Dilution) (Details) - shares shares in Thousands |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] | ||||
Weighted-average common shares outstanding | 132,781 | 132,552 | 132,765 | 132,560 |
Dilutive effect of Stock-Only Stock Appreciation Rights | 318 | 271 | 309 | 307 |
Dilutive effect of Other stock compensation plans | 408 | 292 | 381 | 287 |
Weighted-average common shares outstanding, assuming dilution | 133,507 | 133,115 | 133,455 | 133,154 |