Consolidated Statement of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash Flows from Operating Activities
Net income	$ 356.0	$ 407.4	$ 366.1
Adjustments to reconcile net income to net cash provided by operating activities, net of acquisitions:
Depreciation and amortization	157.6	151.0	148.4
Deferred income taxes	3.3	6.1	49.0
Stock-based compensation	23.9	16.4	24.2
Provision for bad debt expense	6.7	1.7	0.0
Gain on disposition of business	0.0	(21.7)	0.0
Pension charge	7.6	8.5	0.0
Gain on sale of assets	0.3	(0.4)	(4.0)
Changes in assets and liabilities, net of acquisitions:
Decrease (increase) in accounts receivable	55.5	44.5	(75.4)
Decrease in inventories	50.7	12.2	34.2
Increase (decrease) in accounts payable	22.6	(41.2)	21.5
(Decrease) increase in current liabilities	(39.9)	5.0	(5.9)
Changes in other assets and liabilities, net	19.2	0.9	(20.4)
Contributions to qualified defined benefit pension plans	(23.2)	(10.4)	(27.9)
Other, net	7.7	11.6	7.3
NET CASH PROVIDED BY OPERATING ACTIVITIES	648.0	591.6	517.1
Cash Flows from Investing Activities
Capital expenditures	(88.4)	(93.9)	(96.2)
Acquisitions, net of cash acquired	(239.6)	(70.8)	(1,118.0)
Proceeds from disposal of business, net of cash	0.0	33.4	0.0
Purchases of available-for-sale investments	(35.1)	(14.1)	(16.6)
Proceeds from sales of available-for-sale investments	28.9	12.5	20.5
Proceeds from disposition of assets	4.5	3.1	6.8
Other, net	0.9	0.9	2.1
NET CASH USED IN INVESTING ACTIVITIES	(328.8)	(128.9)	(1,201.4)
Cash Flows from Financing Activities
Issuance of long-term debt	225.0	0.0	947.5
Payment of long-term debt	(331.3)	(225.0)	(168.8)
Issuance of short-term debt	125.5	0.7	0.8
Payment of short-term debt	(3.6)	(0.8)	(38.0)
Debt issuance cost	0.0	0.0	(7.6)
Payment of dividends	(201.4)	(186.6)	(172.3)
Payment of dividends to noncontrolling interest	(2.1)	(11.3)	(3.9)
Acquisition of common shares	(41.3)	(35.0)	(40.0)
Other	(15.0)	(13.0)	(11.2)
NET CASH PROVIDED (USED) IN FINANCING ACTIVITIES	(244.2)	(471.0)	506.5
Effect of foreign currency exchange rate changes on cash and cash equivalents	2.6	1.3	(8.2)
Increase (Decrease) in cash and cash equivalents	77.6	(7.0)	(186.0)
Cash and cash equivalents, beginning of year	182.0	189.0	375.0
Cash and cash equivalents, end of year	$ 259.6	$ 182.0	$ 189.0