Acquisition - Schedule of Preliminary Purchase Price Allocation (Details) - USD ($) $ in Millions	Sep. 30, 2025	Jun. 30, 2025	Oct. 31, 2024
Business Combination [Line Items]
Goodwill	$ 3,275.2	$ 3,273.5
WorkForce Software
Business Combination [Line Items]
Cash			$ 12.5
Accounts receivable, net of allowance for doubtful accounts			20.0
Identifiable intangible assets			292.0
Goodwill			885.8
Deferred income taxes, net of valuation allowance			45.9
All other assets			14.8
Total assets acquired			1,271.0
Deferred revenue			39.6
All other liabilities			60.6
Total liabilities assumed			100.2
Total net assets acquired			$ 1,170.8