Inventories - Schedule of Inventories (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Inventory [Line Items]
Excess of FIFO over LIFO cost	$ (47.3)	$ (49.7)
Total LIFO inventories	67.3	81.7
Total FIFO inventories	117.3	124.9
Total inventories	184.6	206.6
Inventories carried at LIFO:
Inventory [Line Items]
Finished goods	72.6	85.0
Raw materials and work-in-process	42.0	46.4
Inventories carried at FIFO:
Inventory [Line Items]
Finished goods	59.1	68.9
Raw materials and work-in-process	$ 58.2	$ 56.0