Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities:
Net earnings	$ 276.7	$ 231.2	$ 154.3
Discontinued operations, net of tax	0.0	0.0	(0.4)
Adjustments to arrive at net cash provided by (used in) operating activities:
Gain (Loss) on Extinguishment of Debt	43.1	0.0	0.0
Depreciation and amortization	66.9	66.9	53.2
Stock settled share-based compensation	16.2	16.6	14.6
(Gain) Loss on Disposition of Business	0.0	84.4	102.8
Marketable Securities, Realized (Gain) Loss, Excluding Other than Temporary Impairments	0.0	(12.4)	(11.0)
(Gain)/loss on sale of property, plant and equipment	(0.1)	1.3	0.9
Equity earnings, net of dividends	(5.3)	(3.2)	0.3
Pension Contributions	(50.0)	0.0	0.0
Deferred Income Tax Expense (Benefit)	24.9	6.3	(2.0)
Other items	3.0	(7.7)	(14.6)
Changes in other assets and liabilities
Accounts and notes receivable	(22.7)	(19.8)	(13.5)
Inventories	(4.4)	(15.6)	(5.8)
Other current and noncurrent assets	3.5	62.0	(5.0)
Accounts payable	0.4	3.4	(14.7)
Other current and noncurrent liabilities	(5.0)	(35.9)	(2.5)
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	347.2	377.5	257.4
Net cash (used in) provided by discontinued operating activities	0.0	0.0	(0.4)
Net cash provided by (used in) operating activities	347.2	377.5	257.0
Cash flows from investing activities:
Capital expenditures	(49.3)	(42.5)	(35.2)
Acquisition of businesses, net of cash acquired	(20.8)	(31.4)	(511.3)
Proceeds from sale of property, plant and equipment	3.1	0.1	0.3
Proceeds from Sale of Equity Method Investments	15.6	0.0	0.0
Proceeds from business dispositions, net of cash sold	1.2	(4.3)	0.1
Proceeds from Sale and Maturity of Marketable Securities	0.0	14.1	12.3
Net cash provided by (used in) investing activities	(50.2)	(64.0)	(533.8)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Other short-term borrowings (net)	(1.3)	(17.4)	18.8
Proceeds from Lines of Credit	165.0	0.0	400.0
Proceeds from Issuance of Long-term Debt	700.0	0.0	0.0
Repayments of Secured Debt	(856.3)	0.0	0.0
Proceeds from Issuance of Unsecured Debt	800.0	0.0	300.0
Repayments of Unsecured Debt	(600.0)	0.0	0.0
Payments of long-term debt	(197.3)	(47.0)	(440.5)
Net proceeds (repayments) in debt	10.1	(64.4)	278.3
Debt issuance costs	(9.5)	(0.3)	(9.0)
Redemption Premium	(33.2)	0.0	0.0
Dividends paid to ordinary shareholders	(60.9)	(46.0)	(38.3)
Dividends paid to noncontrolling interests	(1.8)	(2.7)	(20.0)
Repurchase of ordinary shares	(60.0)	(85.1)	(30.0)
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	7.2	5.8	11.0
Other, net	(2.8)	(3.3)	3.0
Net cash (used in) provided by continuing financing activities	(150.9)	(196.0)	195.0
Effect of exchange rate changes on cash and cash equivalents	7.7	(4.8)	(9.0)
Net increase (decrease) in cash and cash equivalents	153.8	112.7	(90.8)
Cash and cash equivalents - beginning of period	312.4	199.7	290.5
Cash and cash equivalents - end of period	$ 466.2	$ 312.4	$ 199.7