CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 1,666.5	$ 1,930.2	$ 1,939.4
Cost of sales	1,501.6	1,539.1	1,493.2
Gross margin	164.9	391.1	446.2
Selling, general and administrative expense	211.2	231.3	248.9
Other operating income (expense):
Currency transactions, net	1.4	11.5	1.6
Other income, net	3.3	3.4	3.2
Corporate expense	(14.4)	(15.1)	(15.0)
Income (loss) from operations	(56.0)	159.6	187.1
Other income (expense):
Interest and dividend income	6.9	5.1	0.4
Marketable equity securities	(1.0)	(1.0)	2.0
Other components of net periodic pension and OPEB cost	(5.7)	(12.9)	(16.5)
Interest expense	(17.1)	(16.9)	(19.6)
Income (loss) before income taxes	(72.9)	133.9	153.4
Income tax expense (benefit)	(23.8)	29.4	40.5
Net income (loss)	$ (49.1)	$ 104.5	$ 112.9
Net income (loss) per share - basic	$ (0.43)	$ 0.90	$ 0.98
Net income (loss) per share - diluted	$ (0.43)	$ 0.90	$ 0.98
Weighted average shares outstanding - basic	115.1	115.5	115.5
Weighted average shares outstanding - diluted	115.1	115.5	115.5