Supplemental Balance Sheet Information (Tables)

9 Months Ended

Sep. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Supplemental Balance Sheet Disclosures

emental Balance Sheet Information

	September 30, 2018			December 31, 2017
	(In millions of dollars)
Cash and Cash Equivalents
Cash and money market funds	$	23.2		$	23.5
Commercial paper	71.1			27.6
Total	$	94.3		$	51.1
Trade Receivables, Net
Billed trade receivables	$	194.2		$	165.9
Unbilled trade receivables	1.5			0.3
Trade receivables, gross	195.7			166.2
Allowance for doubtful receivables	(1.2		)	(1.2		)
Trade receivables, net	$	194.5		$	165.0
Inventories
Finished products	$	41.4		$	63.8
Work-in-process	73.3			78.3
Raw materials	76.2			61.3
Operating supplies	5.3			4.5
Total	$	196.2		$	207.9
Property, Plant and Equipment, Net
Land and improvements	$	21.4		$	21.1
Buildings and leasehold improvements	96.4			92.1
Machinery and equipment	736.3			689.1
Construction in progress	38.1			35.1
Property, plant and equipment, gross	892.2			837.4
Accumulated depreciation	(298.4		)	(267.9		)
Assets held for sale	1.6			1.9
Property, plant and equipment, net	$	595.4		$	571.4
Other Accrued Liabilities
Uncleared cash disbursements	$	5.6		$	7.3
Accrued income taxes and taxes payable	8.2			6.8
Accrued annual contribution to VEBAs – Note 4	—			15.7
Accrued interest	8.4			2.9
Other	14.8			7.8
Total	$	37.0		$	40.5

	September 30, 2018		December 31, 2017
	(In millions of dollars)
Long-Term Liabilities
Workers' compensation accruals	$	24.5	$	22.6
Long-term environmental accrual – Note 7	14.4		15.8
Other long-term liabilities	25.8		21.6
Total	$	64.7	$	60.0