The following table shows the components of other assets reported on our balance sheets as of December 31 (in millions):



	2017		2016
Inventory	$	57.2	$	51.3
Office furniture, fixtures and other equipment, net of accumulated depreciation	20.5		27.9
Prepaid items	16.9		15.1
Prepaid pension	6.2		1.1
Assets held for sale	4.5		89.5
Deferred financing costs	3.8		4.5
Derivatives	1.2		16.4
Other investments	0.5		0.5
Loans	—		6.2
Other	80.1		84.6
Total other assets	$	190.9	$	297.1

Assets held for sale at December 31, 2016 consisted of Portfolio Management marine assets, resulting from management's decision to exit the majority of our marine investments within the Portfolio Management segment, as well as certain railcars at Rail North America. For additional information see "Note 9. Asset Impairments and Assets Held for Sale".

The following table shows the components of other liabilities reported on our balance sheets as of December 31 (in millions):



	2017		2016
Accrued pension and other post-retirement benefits	$	84.4	$	82.3
Deferred gains on sale-leasebacks	55.9		54.0
Derivatives	39.3		0.1
Environmental accruals	13.1		14.9
Accrued operating lease expense	8.3		22.2
Deferred income	3.1		3.8
Unrecognized tax benefits	—		2.8
Other	29.1		42.0
Total other liabilities	$	233.2	$	222.1