Sale of Receivables (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Debt Instrument [Line Items]
Expense	$ 5.2	$ 5.5	$ 15.5	$ 16.4
Loss on sale		5.3		15.6
Transaction costs		$ 0.2		$ 0.8
Sold receivables derecognized	241.1		241.1		$ 218.7
Rackspace Receivables II, LLC , Special Purpose Vehicle (SPV)
Debt Instrument [Line Items]
Unsold receivables retained	$ 75.3		$ 75.3