Strategic Transformation, Restructuring Charges and Other Operating Gains, net - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Restructuring charges:
Hosting arrangement, service contract, implementation cost, capitalized, after accumulated amortization	$ 26.4	$ 28.2
Hosting arrangement, service contract, implementation cost, capitalized, accumulated amortization	11.1	9.2
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent
Restructuring charges:
Hosting arrangement, service contract, implementation cost, capitalized, after accumulated amortization	22.8	24.6
Balance Sheet Location [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent
Restructuring charges:
Hosting arrangement, service contract, implementation cost, capitalized, after accumulated amortization	$ 3.6	$ 3.6

- Definition

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