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Other Assets and Other Liabilities
 12 Months Ended
Dec. 31, 2023
Other Assets and Other Liabilities [Abstract]  
Other Assets and Other Liabilities Other Assets and Other Liabilities
The following table shows the components of other assets reported on our balance sheets as of December 31 (in millions):
20232022
Inventory
$74.0 $60.2 
Office furniture, fixtures and other equipment, net of accumulated depreciation
28.5 29.5 
Utilization asset24.1 23.0 
Prepaid items14.3 12.7 
Prepaid pension
14.0 14.2 
Deferred financing costs
2.0 2.5 
Assets held for sale (1)0.8 40.0 
Derivatives
0.5 0.7 
Other
128.4 88.6 
Total
$286.6 $271.4 
________
(1) See "Note 10. Asset Impairments and Assets Held for Sale" for additional information.

The following table shows the components of other liabilities reported on our balance sheets as of December 31 (in millions):
20232022
Accrued pension and other post-retirement benefits$47.0 $47.8 
Derivatives18.5 12.1 
Environmental accruals2.8 4.7 
Other38.1 37.4 
Total$106.4 $102.0