CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income	$ 585.9	$ 661.8	$ 346.2
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	116.9	116.9	104.7
Amortization	3.7	5.4	4.4
Stock-based compensation	23.7	37.5	34.0
Non-cash restructuring charges	15.3	0.0	0.0
Pension settlement charge	52.2	1.8	3.7
Contingent consideration payments in excess of acquisition-date liability	(2.0)	(1.4)	(0.9)
Fixed asset impairments and sale of equipment, net	2.7	1.3	7.7
Deferred income taxes	(30.8)	(42.9)	(5.8)
Pension and other retirement plans, net	(14.0)	14.8	4.6
Equity in undistributed earnings of affiliates, net of dividends	(18.1)	(17.4)	(15.8)
Changes in assets and liabilities:
Increase in accounts receivable	(35.6)	(123.5)	(46.6)
Increase in inventories	(49.8)	(86.5)	(73.7)
Decrease (increase) in other current assets	18.5	(7.3)	5.5
(Decrease) increase in accounts payable	(2.8)	16.8	36.6
Changes in other assets and liabilities	58.2	6.7	67.9
Net cash provided by operating activities	724.0	584.0	472.5
Cash flows from investing activities:
Capital expenditures	(284.6)	(253.4)	(174.4)
Acquisition of business	0.0	(2.2)	0.0
Other, net	(3.6)	2.5	(5.1)
Net cash used in investing activities	(288.2)	(253.1)	(179.5)
Cash flows from financing activities:
Debt issuance cost	(1.2)	0.0	0.0
Repayments of long-term debt	(44.3)	(2.2)	(2.3)
Dividend payments	(54.1)	(51.1)	(48.1)
Proceeds from stock-based compensation awards	20.9	29.4	28.3
Employee stock purchase plan contributions	7.3	7.7	6.4
Shares purchased under share repurchase programs	(202.8)	(137.1)	(115.5)
Shares repurchased for employee tax withholdings	(19.4)	(14.8)	(5.9)
Net cash used in financing activities	(293.6)	(168.1)	(137.1)
Effect of exchange rates on cash	(10.5)	(15.7)	20.5
Net increase in cash and cash equivalents	131.7	147.1	176.4
Cash, including cash equivalents at beginning of period	762.6	615.5	439.1
Cash, including cash equivalents at end of period	894.3	762.6	615.5
Supplemental cash flow information:
Interest paid, net of amounts capitalized	6.6	8.0	8.1
Income taxes paid, net	109.7	171.8	48.4
Accrued capital expenditures	33.2	41.1	31.3
Dividends declared, not paid	$ 14.1	$ 13.4	$ 12.6