v3.25.3
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 9 Months Ended
Sep. 30, 2025
Accounting Policies [Abstract]  
Schedule of Inventory, Current
Inventories and supplies are stated at the lower of cost or net realizable value. Inventories are as follows:
in millionsSeptember 30
2025		December 31
2024		September 30
2024
Finished products$545.0 $534.6 $505.9 
Raw materials47.6 69.7 62.2 
Products in process12.3 9.0 11.1 
Operating supplies and other82.2 68.5 68.5 
Total inventories$687.1 $681.8 $647.7 
Schedule of Results from Discontinued Operations Results from discontinued operations are as follows:
Three Months Ended
September 30		Nine Months Ended
September 30
in millions2025202420252024
Pretax loss$(1.6)$(1.8)$(5.7)$(6.8)
Income tax benefit 0.4 0.5 1.5 1.8 
Loss on discontinued operations, net of tax$(1.2)$(1.3)$(4.2)$(5.0)
Schedule of Weighted-Average Common Shares Outstanding Assuming Dilution
Earnings per share are computed by dividing net earnings by the weighted-average common shares outstanding (basic EPS) or weighted-average common shares outstanding assuming dilution (diluted EPS), as set forth below:
Three Months Ended
September 30		Nine Months Ended
September 30
in millions2025202420252024
Weighted-average common shares outstanding132.1132.2132.2132.3
Dilutive effect of
Stock-Only Stock Appreciation Rights0.10.20.10.2
Other stock compensation awards0.70.60.60.6
Weighted-average common shares outstanding, assuming dilution132.9133.0132.9133.1
Schedule of Antidilutive Common Stock Equivalents The number of antidilutive common stock equivalents for which the exercise price exceeds the weighted-average market price is as follows:
Three Months Ended
September 30		Nine Months Ended
September 30
in millions2025202420252024
Antidilutive common stock equivalents0.10.10.10.1