CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net income	$ 221.6	$ 226.6
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	79.9	72.7
Amortization	1.5	1.8
Stock-based compensation	8.7	9.3
Non-cash restructuring charges	1.6	0.0
Asset impairments	4.1	0.9
Other non-cash items, net	(6.9)	(7.6)
Changes in assets and liabilities	(4.0)	(20.5)
Net cash provided by operating activities	306.5	283.2
Cash flows from investing activities:
Capital expenditures	(146.5)	(190.8)
Other, net	0.0	(1.0)
Net cash used in investing activities	(146.5)	(191.8)
Cash flows from financing activities:
Borrowings of long-term debt	0.0	35.0
Repayments of long-term debt	0.0	(36.1)
Principal repayments on finance leases	(0.5)	(22.9)
Excise tax payments	(4.2)	0.0
Dividend payments	(30.3)	(29.3)
Proceeds from stock-based compensation awards	6.0	19.9
Employee stock purchase plan contributions	3.6	3.7
Shares purchased under share repurchase programs	(134.0)	(454.1)
Shares repurchased for employee tax withholdings	(2.5)	(5.5)
Net cash used in financing activities	(161.9)	(489.3)
Effect of exchange rates on cash	27.0	(9.8)
Net increase (decrease) in cash and cash equivalents	25.1	(407.7)
Cash, including cash equivalents at beginning of period	484.6	853.9
Cash, including cash equivalents at end of period	509.7	446.2
Supplemental cash flow information:
Accrued capital expenditures	$ 35.4	$ 41.6