Consolidated Statements Of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Net sales	$ 4,756.4	$ 4,907.7	$ 13,511.3	$ 13,495.5
Cost of sales	3,930.9	4,091.2	11,182.1	11,233.1
Gross profit	825.5	816.5	2,329.2	2,262.4
Selling and administrative expenses	507.7	495.9	1,482.2	1,412.6
Operating income	317.8	320.6	847.0	849.8
Interest expense, net	(40.2)	(42.3)	(117.8)	(121.1)
Other expense, net	(27.5)	(17.4)	(21.9)	(15.0)
Income before income taxes	250.1	260.9	707.3	713.7
Income tax expense	(56.9)	(59.2)	(157.1)	(162.5)
Net income	$ 193.2	$ 201.7	$ 550.2	$ 551.2
Net income per common share:
Basic (in dollars per share)	$ 1.36	$ 1.39	$ 3.86	$ 3.78
Diluted (in dollars per share)	$ 1.33	$ 1.37	$ 3.80	$ 3.72
Weighted-average common shares outstanding:
Basic (in shares)	142.7	144.5	142.6	145.7
Diluted (in shares)	144.8	147.2	144.7	148.2

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=120395209&loc=SL114868664-224227