| PROPERTY, PLANT AND EQUIPMENT, NET Property, plant and equipment, net, consists of the following (in millions): | | | | | | | | | | | | | | | | | June 30,
2026 | | September 30,
2025 | Land, buildings and structures, and leasehold improvements(a) | | $ | 539.7 | | | $ | 554.1 | | Machinery and equipment(a) | | 1,156.6 | | | 1,154.9 | | | Office furniture and equipment | | 13.5 | | | 23.9 | | | Mineral interests | | 168.0 | | | 169.1 | | | Construction in progress | | 68.5 | | | 51.6 | | | | 1,946.3 | | | 1,953.6 | | | Less: accumulated depreciation, depletion, and amortization | | (1,199.2) | | | (1,183.5) | | | Property, plant and equipment, net | | $ | 747.1 | | | $ | 770.1 | |
(a) Includes finance lease right-of-use assets.
The following table provides supplemental non-cash activities (in millions): | | | | | | | | | | | | | | | | | Nine Months Ended
June 30, | | | 2026 | | 2025 | | Purchases of Property, plant and equipment in Accounts payable | | $ | 9.6 | | | $ | 4.5 | | | Purchases of Property, plant and equipment in Accrued expenses and other current liabilities | | 7.4 | | | 2.5 | | | Transfers of Property, plant and equipment from Inventory | | 7.4 | | | 5.2 | |
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