Consolidated Statements of Shareholders' Equity (Deficit) - USD ($) $ in Millions		Total	Share Capital		Additional Paid in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Previously Reported Share Capital	Restatement Adjustment Share Capital
Beginning balance (in shares) at Dec. 31, 2018			118,261,955	[1]				1,000,000	117,261,955
Beginning balance at Dec. 31, 2018	[1]	$ (540.3)	$ 0.0		$ 277.7	$ (859.8)	$ 41.8
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(140.8)				(140.8)
Other comprehensive loss, net of tax		(23.7)					(23.7)
Ending Balance (in shares) at Dec. 31, 2019			118,261,955	[1]				1,000,000.0	117,261,955
Ending balance at Dec. 31, 2019	[1]	(704.8)	$ 0.0		277.7	(1,000.6)	18.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Tax Receivable Agreement		(133.4)			(133.4)
Net income (loss)		(327.3)				(327.3)
Stock issuance (in shares)			123,900,000
Stock issuance		1,195.1			1,195.1
Merger recapitalization (in shares)			86,249,750
Merger recapitalization		179.4			179.4
Exercise of warrants (in shares)	[2]		13,612,907
Exercise of warrants	[2]	260.4			260.4
Stock-based compensation		13.0			13.0
Dividend payment		(3.3)				(3.3)
Other merger adjustment		(0.4)			(0.4)
Other comprehensive loss, net of tax		$ 33.4					33.4
Ending Balance (in shares) at Dec. 31, 2020		342,024,612	342,024,612
Ending balance at Dec. 31, 2020		$ 512.1	$ 0.0		1,791.8	(1,331.2)	51.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		119.6				119.6
Merger recapitalization (in shares)	[3]		23,081,996
Merger recapitalization	[3]	$ 601.1
Exercise of employee stock options (in shares)		387,000	370,513
Exercise of employee stock options		$ 4.6			4.6
Stock comp activity, net of withholdings for tax (in shares)	[4]		620,570
Stock comp activity, net of withholdings for tax	[4]	15.8			15.8
Employee 401K match with Vertiv stock (in shares)			357,344
Employee 401K match with Vertiv stock		8.2			8.2
Exercise of warrants (in shares)	[5]		9,346,822
Exercise of warrants	[5]	176.0			176.0
Dividend payment		(3.8)				(3.8)
Other comprehensive loss, net of tax		$ (15.9)					(15.9)
Ending Balance (in shares) at Dec. 31, 2021		375,801,857	375,801,857
Ending balance at Dec. 31, 2021		$ 1,417.7	$ 0.0		$ 2,597.5	$ (1,215.4)	$ 35.6

[1] The shares and earnings per share available to holders of the Company’s common shares, prior to the Business Combination, have been recasted as shares reflecting the exchange ratio established in the Business Combination (1.0 Vertiv Holdings share to 118.261955 Vertiv Holdings Co shares).

[2] The exercise of Warrants includes $156.5 of cash received during the year ended December 31, 2020 for the exercise of Public Warrants and a reduction of warrant liabilities related to the exercise of the Warrants.

[3] On November 1, 2021 the Company issued 23,081,996 shares valued at $601.1 for the acquisition of E&I, refer to "Note 2 - Acquisition" for additional information.

[4] Net stock compensation activity includes 943,164 vested shares offset by 322,594 shares withheld for taxes valued at $7.3 and stock-based compensation of $23.2.

[5] The exercise of warrants includes $107.5 of cash received for the exercise of Public Warrants.