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Summary of Significant Accounting Policies - Narrative (Details) $ / shares in Units, $ in Millions		3 Months Ended				9 Months Ended
	Oct. 07, 2025 $ / shares shares	Nov. 01, 2025 USD ($) bitcoin $ / shares	Aug. 02, 2025 USD ($)	May 03, 2025 USD ($) bitcoinUnit	Nov. 02, 2024 USD ($) $ / shares	Nov. 01, 2025 USD ($) bitcoin $ / shares	Nov. 02, 2024 USD ($) $ / shares	Mar. 18, 2025 member	Feb. 01, 2025 USD ($) $ / shares
Property, Plant and Equipment [Line Items]
Number of independent board of directors members on investment committee \| member								2
Sale of asset expected period (in years)						1 year
Asset impairments, net		$ 10.7			$ 8.6	$ 44.1	$ 8.6
Assets held for sale - current		$ 194.1			0.0	$ 194.1	0.0		$ 0.0
Quantity		4,710		4,710		4,710
Unrealized loss (gain) on digital assets		$ (9.2)			$ 0.0	$ 19.4	$ 0.0
Class A common stock, par value (in dollars per share) \| $ / shares		$ 0.001			$ 0.001	$ 0.001	$ 0.001		$ 0.001
Initial conversion price (in dollars per share) \| $ / shares	$ 32.00
Fair value of warrant (in dollars per share) \| $ / shares						$ 2.94
Warrant distribution		$ 41.2				$ 173.9
Fair value adjustment of warrants						42.2	$ 0.0
Distributions, warrants						131.7
Warrants exercised (in shares) \| shares	59,153,963
Measurement Input, Share Price
Property, Plant and Equipment [Line Items]
Warrants and rights outstanding, measurement input \| $ / shares	24.35
Measurement Input, Exercise Price
Property, Plant and Equipment [Line Items]
Warrants and rights outstanding, measurement input \| $ / shares	32.00
Measurement Input, Risk Free Interest Rate
Property, Plant and Equipment [Line Items]
Warrants and rights outstanding, measurement input	0.036
Measurement Input, Expected Dividend Rate
Property, Plant and Equipment [Line Items]
Warrants and rights outstanding, measurement input	0.000
Measurement Input, Price Volatility
Property, Plant and Equipment [Line Items]
Warrants and rights outstanding, measurement input	0.500
Convertible Senior Notes Due 2030
Property, Plant and Equipment [Line Items]
Class A common stock, par value (in dollars per share) \| $ / shares	$ 0.001
Interest rate	0.00%
Convertible Senior Notes Due 2032
Property, Plant and Equipment [Line Items]
Interest rate	0.00%
Warrant Agreement
Property, Plant and Equipment [Line Items]
Conversion ratio	0.1
CANADA
Property, Plant and Equipment [Line Items]
Asset impairments, net				$ 18.3
FRANCE
Property, Plant and Equipment [Line Items]
Asset impairments, net		8.0	$ (2.1)	$ 17.2
FRANCE \| Discontinued Operations, Held-for-Sale
Property, Plant and Equipment [Line Items]
Assets held for sale - current		194.1				194.1
Noncurrent assets held for sale		$ 180.5				$ 180.5