v3.24.1.u1
Noncontrolling Interests, Equity Interests and Related Party Transactions (Tables)
6 Months Ended
Mar. 31, 2023
Equity Method Investments and Joint Ventures [Abstract]  
Effects of changes in ownership of PHPC on Post equity
Three Months Ended
March 31, 2023
Six Months Ended
March 31, 2023
Net earnings attributable to redeemable NCI$1.2 $2.8 
Redemption value adjustment(2.5)(4.0)
PHPC deemed dividend$(1.3)$(1.2)
Redeemable Noncontrolling Interest
Three Months Ended
March 31, 2023
Six Months Ended
March 31, 2023
Beginning of period$308.1 $306.6 
Net earnings attributable to redeemable NCI1.2 2.8 
PHPC deemed dividend1.3 1.2 
End of period$310.6 $310.6