Equity (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Equity [Abstract]
Accumulated Other Comprehensive Income (Loss)	$ (100.1)	$ (89.6)
Class of Stock [Line Items]
Employee Stock Purchase Plan, Number of Allocated Shares	4,500,000
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Basic and Diluted Earnings per share
Common Stock, Dividends, Per Share, Declared	$ 0.00	$ 0.00	$ 0.03
Issued But Unvested Shares (in shares)	0.0	100,000	400,000
Noncontrolling interest	$ 5.5	$ 3.8
Payments of Dividends	$ 0.0	$ 0.0	$ 4.2
Basic EPS
(Loss) income available to common shareholders			$ (545.7)
(Loss) income available to common shareholders (in shares)	116,800,000	106,600,000	104,600,000
Earnings Per Share, Basic	$ (18.32)	$ (5.78)	$ (5.21)
Income allocated to participating securities	$ 0.0	$ 0.0	$ 0.0
Income allocated to participating securities, shares	0	0	0
Net loss	$ (2,139.8)	$ (616.2)	$ (545.7)
Diluted potential common shares (in shares)
Diluted EPS
Net income	$ (2,139.8)	$ (616.2)	$ (545.7)
Shares	116,800,000	106,600,000	104,600,000
(Loss) earnings per share, diluted (in dollars per share)	$ (18.32)	$ (5.78)	$ (5.21)
Employee stock purchase plan, remaining shares	3,361,044
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss)	$ (100.1)	$ (89.6)
AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax	$ 0.7	$ 2.2
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	358,194
Equity, Class of Treasury Stock [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.00	$ 0.00	$ 0.03
Issued But Unvested Shares (in shares)	0.0	100,000	400,000
Noncontrolling interest	$ 5.5	$ 3.8
Payments of Dividends	0.0	0.0	$ 4.2
Noncontrolling Interest [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest	5.5	3.8
Noncontrolling Interest - SEAS	4.1
Noncontrolling Interest - KIESC	1.4
Proceeds from Issuance of Common Stock	0.0	220.7	$ 0.0
Foreign Currency Impact On Long Term Intercompany Loan [Member]
Equity [Abstract]
Accumulated Other Comprehensive Income (Loss)	(15.2)	(14.6)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss)	$ (15.2)	$ (14.6)
Common Class A [Member]
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Common Stock, Shares Authorized	200,000,000	200,000,000
Class B [Member]
Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Common Stock, Shares Authorized	0	0