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Statements Of Consolidated Stockholders' Equity (Shares) - shares
shares in Thousands
Total
Common Stock
Treasury Stock
Preferred Stock
Beginning Balance at Dec. 31, 2018 372,363 376,326 3,963 420
Issued:        
Preferred stock [1] 0 0 0 20
Employee stock purchase plan 201 201 0 0
Long-term incentive plan 518 518 0 0
401(k) and profit sharing plan 631 631 0 0
ATM Program 8,423 8,423 0 0
Ending Balance at Dec. 31, 2019 382,136 386,099 3,963 440
Issued:        
Equity Units 0 0 0 (863) [1]
Employee stock purchase plan 236 236 0 0
Long-term incentive plan 385 385 0 0
401(k) and profit sharing plan 544 544 0 0
ATM Program 8,459 8,459 0 0
Ending Balance at Dec. 31, 2020 391,760 395,723 3,963 440
Issued:        
Employee stock purchase plan 209 209 0 0
Long-term incentive plan 418 418 0 0
401(k) and profit sharing plan 391 391 0 0
ATM Program 12,525 12,525 0 0
Ending Balance at Dec. 31, 2021 405,303 409,266 3,963 1,303
[1] See Note 13, "Equity," for additional information.