CONDENSED CONSOLIDATED STATEMENTS OF INCOME (unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Net sales	$ 499.8	$ 416.9	$ 1,443.4	$ 1,223.9
Cost of sales	376.8	336.3	1,115.7	959.4
Gross margin	123.0	80.6	327.7	264.5
Selling, general and administrative expense	64.2	55.6	185.1	161.8
Other operating income (expense):
Currency transactions, net	1.2	(2.9)	1.2	3.2
Other operating expense, net	(2.7)	(2.8)	(8.7)	(10.1)
Income from operations	57.3	19.3	135.1	95.8
Other income (expense):
Interest and dividend income		0.1	0.2	1.5
Insurance settlement gain				1.5
Marketable equity securities	(0.1)	0.4	1.2	(1.3)
Other components of net periodic pension and OPEB cost	(4.3)	(5.0)	(12.9)	(14.4)
Interest expense	(4.8)	(4.9)	(15.0)	(14.1)
Income before income taxes	48.1	9.9	108.6	69.0
Income tax expense	12.1	1.8	27.3	15.3
Net income	$ 36.0	$ 8.1	$ 81.3	$ 53.7
Net income per basic and diluted share	$ 0.31	$ 0.07	$ 0.70	$ 0.46
Weighted average shares used in the calculation of net income per share	115.5	115.5	115.5	115.6

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227