CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net sales	$ 1,945.7	$ 1,889.0
Cost of sales	1,744.4	1,573.9
Gross income	201.3	315.1
Operating expenses:
Selling, general and administrative	169.2	172.0
Amortization of purchased intangibles	2.8	2.3
Total operating expenses	172.0	174.3
Operating income	29.3	140.8
Other income (expense):
Interest expense	(12.6)	(11.8)
Interest income	1.0	0.6
Miscellaneous, net	1.1	3.1
Income before income taxes and earnings (losses) of unconsolidated affiliates	18.8	132.7
Provision for income taxes	20.2	33.2
Income (loss) before earnings (losses) of unconsolidated affiliates	(1.4)	99.5
Equity in earnings (losses) of unconsolidated affiliates	(0.7)	0.1
Net income (loss)	$ (2.1)	$ 99.6
Earnings (loss) per share:
Basic	$ (0.03)	$ 1.45
Diluted	(0.03)	1.44
Cash dividends declared per share on Common Stock	$ 0.37	$ 0.33