CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 362.3	$ 338.5
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	57.9	55.7
Amortization	1.8	2.2
Stock-based compensation	11.0	16.2
Pension settlement charge	1.2	0.7
Contingent consideration payments in excess of acquisition-date liability	(0.8)	(0.8)
Other non-cash items, net	(11.4)	(10.9)
Changes in assets and liabilities	(97.7)	(168.5)
Net cash provided by operating activities	324.3	233.1
Cash flows from investing activities:
Capital expenditures	(131.9)	(111.6)
Other, net	(2.4)	1.2
Net cash used in investing activities	(134.3)	(110.4)
Cash flows from financing activities:
Repayments of long-term debt	(1.1)	(1.1)
Debt issuance costs	(1.3)	0.0
Dividend payments	(26.5)	(25.2)
Proceeds from stock-based compensation awards	10.7	17.8
Employee stock purchase plan contributions	4.1	3.9
Shares purchased under share repurchase programs	(175.7)	(137.1)
Shares repurchased for employee tax withholdings	(19.1)	(14.4)
Net cash used in financing activities	(208.9)	(156.1)
Effect of exchange rates on cash	(25.2)	(5.9)
Net (decrease) increase in cash and cash equivalents	(44.1)	(39.3)
Cash, including cash equivalents at beginning of period	762.6	615.5
Cash, including cash equivalents at end of period	$ 718.5	$ 576.2