
	As of June 30, 2024			As of December 31, 2023
	(In millions of dollars)
Trade Receivables, Net
Billed trade receivables	$	370.9		$	325.8
Allowance for doubtful receivables		(0.8	)		(0.6	)
Trade receivables, net	$	370.1		$	325.2

Inventories1
Finished products	$	72.1		$	89.3
Work-in-process		210.2			210.8
Raw materials		148.0			161.5
Operating supplies		16.6			15.6
Inventories	$	446.9		$	477.2

Property, Plant and Equipment, Net
Land and improvements	$	37.2		$	38.0
Buildings and leasehold improvements		241.6			238.4
Machinery and equipment		1,279.7			1,265.3
Construction in progress		240.1			173.7
Property, plant and equipment, gross		1,798.6			1,715.4
Accumulated depreciation and amortization		(715.5	)		(663.7	)
Land held for sale		1.5			0.4
Property, plant and equipment, net	$	1,084.6		$	1,052.1

Other Assets
Assets to be conveyed associated with Warrick acquisition	$	56.8		$	56.8
Restricted cash – Note 12		18.3			18.3
Long-term replacement parts		17.3			16.7
Other		26.6			25.9
Other assets	$	119.0		$	117.7

Other Accrued Liabilities
Uncleared cash disbursements	$	20.0		$	15.7
Accrued income taxes and other taxes payable		10.8			9.5
Accrued annual contribution to Salaried VEBA		—			1.1
Accrued interest		9.9			9.9
Short-term environmental accrual – Note 7		0.5			2.8
Current operating lease liabilities		7.2			8.0
Current finance lease liabilities		2.5			2.1
Other – Note 5		14.8			15.2
Other accrued liabilities	$	65.7		$	64.3

Long-Term Liabilities
Workers' compensation accrual	$	29.7		$	29.9
Long-term environmental accrual – Note 7		14.8			14.2
Other long-term liabilities		43.8			37.6
Long-term liabilities	$	88.3		$	81.7

At June 30, 2024 and December 31, 2023, the current cost of our inventory exceeded its stated last-in, first-out (“LIFO”) value by $83.5 million and $56.0 million, respectively.