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Inventories
9 Months Ended
Sep. 30, 2025
Inventory Disclosure [Abstract]  
Inventories Inventories
The following table recaps the components of inventory for each period presented:
September 30, 2025December 31, 2024
Finished goods$264.7 $321.6 
Work in process44.7 72.1 
Raw materials and supplies324.6 328.9 
Inventories$634.0 $722.6 
We sold our Aerospace Products Group in the third quarter of 2025 as discussed in Note O. Inventories were $57.1 at December 31, 2024.
All inventories are stated at the lower of cost or net realizable value. For the majority of our inventories, we use the first-in, first-out method, which is representative of our standard costs (includes materials, labor, and production overhead at normal production capacity). Remaining inventories are valued using an average-cost method.
Inventories are reviewed at least quarterly for slow-moving and potentially obsolete items using actual inventory turnover and, if necessary, are written down to estimated net realizable value.