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Goodwill (Tables)
9 Months Ended
Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The following is a rollforward of our carrying value of goodwill:
($ in millions)
Balance, December 31, 2021$1,667.2 
Measurement period adjustments for prior year acquisition(12.9)
Addition to goodwill for current year acquisitions (including measurement period adjustments)182.4 
Reclassification to held for sale(56.0)
FX translation(68.3)
Balance, September 30, 2022$1,712.4