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Other, Net
9 Months Ended
Sep. 30, 2020
Other, Net [Abstract]  
Other, Net Other, Net
Three Months Ended
September 30,
Nine Months Ended
September 30,
 (in millions)
2020201920202019
Interest income$1.3 $2.1 $4.4 $5.4 
AFUDC equity1.8 2.9 4.9 7.1 
Charitable contributions(0.3)(1.1)(0.9)(4.0)
Pension and other postretirement non-service cost0.6 (2.8)6.4 (8.7)
Sale of emission reduction credits4.6 — 4.6 — 
Miscellaneous 0.2 0.5 0.5 
Total Other, net$8.0 $1.3 $19.9 $0.3