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Organization (Details) - USD ($)
$ in Millions
3 Months Ended
Oct. 07, 2020
Oct. 08, 2020
Organization (Details) [Line Items]    
Net proceeds $ 41.0  
GALIC [Member]    
Organization (Details) [Line Items]    
Net proceeds $ 6.6  
Pre Adjusted [Member]    
Organization (Details) [Line Items]    
Purchase price   $ 156.4
Revision of Prior Period, Adjustment [Member]    
Organization (Details) [Line Items]    
Purchase price   $ 145.3