Other Operating Income, Net	12 Months Ended
Dec. 31, 2021
Other Income And Expenses [Abstract]
Other Operating Income, Net	Note S: Other Operating Income, Net Other operating income, net, is comprised generally of gains and losses on the sale of assets; asset and portfolio rationalization charges; recoveries and losses related to certain customer accounts receivable; rental, royalty and services income; accretion expense, depreciation expense and gains and losses related to asset retirement obligations. These net amounts represented income of $34.3 million, $59.8 million and $9.1 million in 2021, 2020 and 2019, respectively. For 2021, other operating income, net, included $21.6 million of nonrecurring gains on land sales and divested assets, including the Company’s former corporate headquarters. Other operating income, net for 2020 included $69.9 million of nonrecurring gains on the sales of investment land and divested assets in Austin, Texas; Riverside, California; and Augusta, Kansas. These asset sales collectively generated net cash proceeds of $122.8 million. These gains were recorded in the West Group. 2019 income included the reversal of $6.9 million of accruals for sales tax and unclaimed property contingencies.

Other Operating Income, Net

12 Months Ended

Dec. 31, 2021

Other Income And Expenses [Abstract]

Note S: Other Operating Income, Net

Other operating income, net, is comprised generally of gains and losses on the sale of assets; asset and portfolio rationalization charges; recoveries and losses related to certain customer accounts receivable; rental, royalty and services income; accretion expense, depreciation expense and gains and losses related to asset retirement obligations. These net amounts represented income of $34.3 million, $59.8 million and $9.1 million in 2021, 2020 and 2019, respectively. For 2021, other operating income, net, included $21.6 million of nonrecurring gains on land sales and divested assets, including the Company’s former corporate headquarters. Other operating income, net for 2020 included $69.9 million of nonrecurring gains on the sales of investment land and divested assets in Austin, Texas; Riverside, California; and Augusta, Kansas. These asset sales collectively generated net cash proceeds of $122.8 million. These gains were recorded in the West Group. 2019 income included the reversal of $6.9 million of accruals for sales tax and unclaimed property contingencies.