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Discontinued Operations and Disposal Groups - Narrative (Details)
$ in Millions
Aug. 17, 2021
USD ($)
Assets and Liabilities Held for Sale and Discontinued Operation  
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax $ 216.9
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax 168.8
Oxford Business | Discontinued Operations  
Assets and Liabilities Held for Sale and Discontinued Operation  
Proceeds from Sale of Property Held-for-sale $ 525.0