Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net income (loss)	$ 47.0	$ (1,118.6)	$ (100.2)
Noncash items:
Depreciation	40.1	40.8	36.0
Amortization	75.9	82.3	99.6
Allowance for credit losses	9.5	17.9	7.1
Stock-based compensation expense	37.6	35.3	30.7
Gain on investments in rabbi trust, net	(3.8)	(0.7)	0.0
Loss (gain) on equity investments, net	6.2	1.1	(3.6)
Loss (gain) on sale of property, plant and equipment	1.8	2.8	(5.4)
Restructuring charges	0.0	0.0	1.3
Goodwill and intangible asset impairments	0.0	1,153.8	258.3
Fixed assets impairments and other charges	2.2	17.1	0.2
Non-cash operating lease costs	34.7	31.4	27.0
Inducement expense related to exchange of convertible notes	0.0	0.0	28.5
Amortization of debt discount and issuance costs	4.2	4.9	4.6
Deferred income taxes	11.4	(29.0)	(37.0)
Change in trade accounts receivable	(48.5)	10.0	(17.0)
Change in inventories	(29.1)	3.6	35.1
Change in trade accounts payable	7.5	(1.2)	(46.3)
Change in prepaid expenses and other assets	7.7	(6.7)	3.3
Change in accrued expenses and other liabilities	116.0	134.5	(12.0)
Change in operating lease liabilities	(44.7)	(42.8)	(34.5)
Net cash provided by operating activities	275.7	336.5	275.7
Cash flows from investing activities:
Payments for additions to property, plant and equipment	(45.3)	(33.8)	(58.2)
Purchases of investments held in rabbi trust	(9.9)	(32.8)	0.0
Proceeds from sale of investments held in rabbi trust	10.4	9.3	0.0
Proceeds from sales of property, plant and equipment	0.5	0.1	6.1
Proceeds from sale of equity investment	0.0	0.4	10.7
All other investing activities, net	(6.8)	2.2	(21.0)
Net cash used in investing activities	(51.1)	(54.6)	(62.4)
Cash flows from financing activities:
Proceeds from stock option exercises	2.8	2.4	11.3
Cash paid for treasury stock	(166.6)	0.0	0.0
Tax withholding payment related to net settlement of equity awards	(6.2)	(5.3)	(7.9)
Proceeds from issuance of convertible notes due 2028	0.0	0.0	500.2
Principal paid related to exchange of convertible notes due 2025	(116.3)	0.0	(401.2)
Proceeds from borrowings	0.0	0.0	323.5
Repayment of borrowings	0.0	(100.0)	(288.8)
Proceeds from revolving line of credit	115.4	0.0	0.0
All other financing activities	0.0	(0.8)	0.1
Net cash (used in) provided by financing activities	(170.9)	(103.7)	118.9
Effect of exchange rate changes on cash and cash equivalents	88.9	(49.1)	0.9
Net change in cash and cash equivalents	142.6	129.1	333.1
Beginning balance of cash and cash equivalents	1,069.1	940.0	606.9
Ending balance of cash and cash equivalents	1,211.7	1,069.1	940.0
Supplemental data:
Cash paid for interest	46.1	54.7	63.2
Cash paid for taxes	79.8	32.9	98.6
ROU assets obtained in exchange for operating lease obligations	24.8	54.8	22.1
Convertible senior notes due 2028 (the “2028 Convertible Notes”)
Cash flows from financing activities:
Debt issuance costs	0.0	0.0	(13.8)
Other Borrowings
Cash flows from financing activities:
Debt issuance costs	$ 0.0	$ 0.0	$ (4.5)