Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended				12 Months Ended			24 Months Ended
	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019
Operating Activities
Net earnings	$ 86.9	$ 61.1	$ 53.1	$ 77.9	$ 333.9	$ 306.1	$ 292.7
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation					117.5	104.3	95.3
Amortization of intangibles and supply agreements					74.4	31.8	30.6
Impairments					7.8	5.4	4.9
Provision for losses on accounts and notes receivable					2.8	16.7	0.8
Writedown of inventories					9.0	10.3	4.9
Net gain from sales of assets and businesses					(5.0)	(2.1)	(24.4)
Deemed repatriation tax payable					0.0	(1.3)	67.3
Deferred income tax expense (benefit)					7.6	(3.2)	16.6
Stock-based compensation					33.0	35.5	36.6
Pension expense (benefit), net of contributions					4.3	(19.2)	7.1
Other, net					2.2	2.0	(8.5)
Increases/decreases in, excluding effects from acquisitions and divestitures:
Accounts and other receivables					53.0	(25.8)	(40.6)
Inventories					53.3	(54.3)	(48.1)
Other current assets					(2.8)	(1.9)	(36.8)
Accounts payable					(39.4)	36.2	58.8
Accrued expenses and other current liabilities					16.4	(0.2)	(13.5)
Net Cash Provided by Operating Activities					668.0	440.3	443.7
Investing Activities
Additions to property, plant and equipment					(143.1)	(159.6)	(159.4)
Purchases of companies, net of cash acquired					(1,265.1)	(109.2)	(39.1)
Proceeds from sales of assets and businesses					5.5	4.9	45.2
Other, net					(15.5)	(13.9)	(11.7)
Net Cash Used for Investing Activities					(1,418.2)	(277.8)	(165.0)
Financing Activities
Additions to long-term debt					993.3	0.0	493.4
Payments on long-term debt					(37.6)	(155.4)	(9.2)
Change in commercial paper and short-term debt					(8.7)	69.6	(202.7)
Dividends paid					(204.6)	(193.7)	(185.6)
Issuances of common stock					9.3	4.8	2.6
Purchases of common stock					(16.4)	(112.4)	(157.6)
Purchase of remaining interest in noncontrolling interest					0.0	0.0	(2.6)
Additional consideration paid for acquisitions					(1.1)	(9.3)	(2.2)
Other, net					(3.1)	(0.5)	(0.6)
Net Cash Provided (Used) for Financing Activities					731.1	(396.9)	(64.5)
Effect of Exchange Rate Changes on Cash					(1.4)	(23.6)	30.0
(Decrease) Increase in Cash and Cash Equivalents					(20.5)	(258.0)	244.2
Cash and Cash Equivalents—Beginning of Year		$ 268.1		$ 526.1	268.1	526.1	281.9	$ 526.1
Cash and Cash Equivalents—End of Year	$ 247.6		$ 268.1		247.6	268.1	526.1	$ 247.6
Supplemental Information
Interest paid (net of amounts capitalized)					77.3	61.8	40.1
Income taxes paid					84.2	92.8	90.6
Common stock issued for acquired companies					0.0	0.0	11.8
Property, plant and equipment acquired through finance leases					2.1	1.9	2.4
Capital expenditures in accounts payable					6.8	6.7	6.7
Prepaid income taxes and taxes receivable (recovered) applied against the deemed repatriation tax liability					$ (0.6)	$ 28.4	$ 0.0