CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Consolidated net income	$ 428.5	$ 298.5	$ 280.6
Adjustments to reconcile consolidated net income to cash flows from operating activities:
Depreciation and amortization	114.9	88.8	89.1
Stock-based compensation expense	24.0	27.7	17.2
Deferred income taxes	(24.4)	(14.8)	(5.8)
Bargain purchase gain on acquisition	(144.1)	0.0	0.0
Impairment of minority investments and other long-lived assets	22.2	1.6	0.0
Gain on sale of minority investment	(6.8)	0.0	0.0
Gain on sale of property, plant and equipment	(8.5)	(10.1)	(1.1)
Other non-cash expenses, net	32.1	26.8	28.0
Changes in operating assets and liabilities, net of acquisitions :
Accounts receivable	(0.9)	(67.9)	(95.3)
Inventories	(125.0)	(137.9)	(67.0)
Accounts payable and accrued expenses	23.1	13.2	61.4
Income taxes payable	43.7	(6.8)	(44.3)
Deferred revenue and customer advances	(0.6)	52.7	38.8
Other changes in operating assets and liabilities	(28.1)	2.6	(19.2)
Net cash provided by operating activities	350.1	274.4	282.4
Cash flows from investing activities:
Purchases of property, plant and equipment	(106.9)	(129.2)	(92.0)
Purchase of short-term investments	0.0	0.0	(148.0)
Maturity of short-term investments	0.0	100.0	98.2
Proceeds from sale of minority investment	14.8	0.0	0.0
Cash paid for minority investments	(24.8)	(60.2)	(0.5)
Cash paid for acquisitions, net of cash acquired	(226.6)	(182.3)	(65.0)
Proceeds from sales of property, plant and equipment	11.1	13.9	4.9
Net proceeds from cross-currency swap agreements	6.4	6.2	10.0
Net cash used in investing activities	(326.0)	(251.6)	(192.4)
Cash flows from financing activities:
Proceeds from issuance (repayment) of long-term debt	(6.5)	0.3	490.5
Repayment of 2012 Note Purchase Agreement	0.0	(105.0)	0.0
Repayment of 2019 Term Loan Agreement	(15.0)	(6.0)	(0.8)
Payment of deferred financing costs	0.0	0.0	(0.1)
Proceeds from issuance of common stock, net	9.5	2.8	7.0
Payment of contingent consideration	(2.7)	(2.7)	(0.4)
Payment of dividends to common shareholders	(29.4)	(29.8)	(24.2)
Repurchase of common stock	(152.3)	(263.1)	(153.3)
Proceeds from (payment for) the sale (purchase) of noncontrolling interests	3.0	(11.8)	0.0
Net cash (used in) provided by financing activities	(193.4)	(415.3)	318.7
Effect of exchange rate changes on cash, cash equivalents and restricted cash	12.2	(30.5)	(22.5)
Net change in cash, cash equivalents and restricted cash	(157.1)	(423.0)	386.2
Cash, cash equivalents and restricted cash at beginning of year	648.7	1,071.7	685.5
Cash, cash equivalents and restricted cash at end of year	491.6	648.7	1,071.7
Supplemental cash flow information
Cash paid for interest	33.7	24.3	19.6
Cash paid for taxes	96.6	147.4	145.5
Restricted cash period beginning balance	3.2	3.5	3.7
Restricted cash period ending balance	$ 3.3	$ 3.2	$ 3.5