Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues	$ 3,634.1	$ 3,807.2	$ 3,883.9
Cost of goods sold	2,594.0	2,727.4	2,772.7
Gross profit	1,040.1	1,079.8	1,111.2
Operating expenses:
Selling, general and administrative expenses	555.9	585.9	608.2
Losses (gains) and other expenses, net	7.4	8.3	13.4
Restructuring charges	10.8	10.3	3.0
Goodwill, Impairment Loss			11.5
Gain (Loss) on Disposition of Business and Related Property	0.0	10.6	27.0
Loss(gain) from natural disaster, net of Insurance recoveries	3.1	(178.8)	(38.3)
Income (Loss) from Equity Method Investments	(15.6)	(13.4)	(12.0)
Operating income	478.5	656.9	509.9
Interest expense, net	28.3	47.5	38.3
Other expense (income), net	4.4	2.3	3.3
Income from continuing operations before income taxes	445.2	507.9	467.9
Provision for income taxes	88.1	99.1	107.6
Income from continuing operations	357.1	408.8	360.3
Discontinued operations:
(Loss) income from discontinued operations before income taxes	(1.5)	(0.1)	0.8
Income tax (benefit) expense	(0.7)	0.0	2.1
Loss from discontinued operations	(0.8)	(0.1)	(1.3)
Net income	$ 356.3	$ 408.7	$ 359.0
Earnings per share – Basic:
Income from continuing operations (in usd per share)	$ 9.32	$ 10.49	$ 8.87
Loss from discontinued operations (in usd per share)	(0.02)	0	(0.03)
Net income (in usd per share)	9.30	10.49	8.84
Earnings per share – Diluted:
Income from continuing operations (in usd per share)	9.26	10.38	8.77
Loss from discontinued operations (in usd per share)	(0.02)	0	(0.03)
Net income (in usd per share)	$ 9.24	$ 10.38	$ 8.74
Average shares outstanding:
Basic (in shares)	38.3	39.0	40.6
Diluted (in shares)	38.6	39.4	41.1
Cash dividends declared per share (in usd per share)	$ 3.08	$ 2.95	$ 2.43
non-cash pension settlement loss	$ 0.6	$ 99.2	$ 0.4