Inventories - Inventories (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Inventory [Line Items]
Excess of FIFO over LIFO cost	$ (49.7)	$ (43.0)
Total LIFO inventories	81.7	53.4
Total FIFO inventories	124.9	107.2
Total inventories	206.6	160.6
Inventories carried at LIFO:
Inventory [Line Items]
Finished goods	85.0	54.0
Raw materials and work-in-process	46.4	42.4
Inventories carried at FIFO:
Inventory [Line Items]
Finished goods	68.9	53.8
Raw materials and work-in-process	$ 56.0	$ 53.4