CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ DEFICIT - USD ($) $ in Millions		Total		Total INNOVATE Stockholders' (Deficit) Equity	Common Stock		Additional Paid-In Capital	Treasury Stock	Accumulated Deficit	Accumulated Comprehensive Income (Loss)	[2]	Non-controlling Interest	Temporary Equity
Beginning balance at Dec. 31, 2022													$ 61.0
Increase (Decrease) in Temporary Equity [Roll Forward]
Other													9.0
DBMGi preferred stock repurchase													(41.8)
Net (loss) income													(5.9)
Ending balance at Dec. 31, 2023		$ 15.4											15.4
Beginning balance (in shares) at Dec. 31, 2022	[1]				7,878,800
Beginning balance at Dec. 31, 2022		(90.6)		$ (121.3)	$ 0.0		$ 330.2	$ (5.3)	$ (452.1)	$ 5.9		$ 30.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation		2.2		2.2			2.2
Taxes paid in lieu of shares issued for share-based compensation (in shares)	[1]				(6,000.0)
Taxes paid in lieu of shares issued for share-based compensation		(0.1)		(0.1)				(0.1)
Preferred stock dividends		(1.3)		(1.3)			(1.3)						(1.3)
Issuance of common stock (in shares)	[1]				50,700
Distributions to non-controlling interests		(10.7)		0.0								(10.7)	(5.2)
Transactions with non-controlling interests		0.1		(2.8)			(2.8)					2.9
Other		(9.0)										(9.0)
Net (loss) income		(33.0)		(35.2)					(35.2)			2.2
Other comprehensive income (loss)		$ (9.3)		(7.0)						(7.0)		(2.3)	(0.4)
Ending balance (in shares) at Dec. 31, 2023		7,923,500	[3]		7,923,500	[1]
Ending balance at Dec. 31, 2023		$ (151.7)		(165.5)	$ 0.0		328.3	(5.4)	(487.3)	(1.1)		13.8
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of preferred stock in private placement													31.3
Net (loss) income													(0.6)
Ending balance at Dec. 31, 2024		15.6											15.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation		3.4		3.4			3.4
Preferred stock dividends		(1.2)		(1.2)			(1.2)						(0.3)
Issuance of common stock (in shares)	[1]				224,800
Rights offering, net of transaction costs (in shares)	[1]				530,600
Rights offering, net of transaction costs		1.9		1.9			1.9
Series C Preferred Share Conversion (in shares)	[1]				4,469,400
Series C Preferred Share Conversion		31.3		31.3			31.3						(31.3)
Reverse stock split (in shares)	[1]				113,100
Effect of Series D investment in R2 Technologies		(1.1)		(13.2)			(13.2)					12.1	$ 1.1
Distributions to non-controlling interests		(0.3)										(0.3)
Transactions with non-controlling interests		(0.2)		(0.4)			(0.4)					0.2
Net (loss) income		(39.1)		(34.6)					(34.6)			(4.5)
Other comprehensive income (loss)		$ (2.3)		(2.1)						(2.1)		(0.2)
Ending balance (in shares) at Dec. 31, 2024		13,261,379			13,261,400	[1]
Ending balance at Dec. 31, 2024		$ (159.3)		$ (180.4)	$ 0.0		$ 350.1	$ (5.4)	$ (521.9)	$ (3.2)		$ 21.1

[1] The number and amount of shares and Additional Paid-in Capital as of December 31, 2022, and as of and for the year ended December 31, 2023, have been retroactively adjusted to reflect the 1-for-10 reverse stock split effected on August 8, 2024. Refer to Note 2. Summary of Significant Accounting Policies.

[2] Inclusive of other comprehensive loss, foreign currency cumulative translation adjustments totaled a loss of $4.5 million and $2.4 million as of December 31, 2024 and 2023, respectively.

[3] Common stock, Shares issued, Shares outstanding, Additional paid-in capital, and Treasury stock as of December 31, 2023, have been retroactively adjusted to reflect the 1-for-10 reverse stock split effected on August 8, 2024.