Supplemental Balance Sheet Information Supplemental Balance Sheet Information (Tables)

9 Months Ended

Sep. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Supplemental Balance Sheet Disclosures

	September 30, 2015			December 31, 2014
	(In millions of dollars)
Cash and Cash Equivalents
Cash and money market funds	$	37.1		$	29.5
Commercial paper	45.5			148.2
Total	$	82.6		$	177.7
Trade Receivables – Net
Billed trade receivables	$	132.2		$	128.7
Unbilled trade receivables	0.2			1.4
Trade receivables, gross	132.4			130.1
Allowance for doubtful receivables	(0.8		)	(0.8		)
Trade receivables – net	$	131.6		$	129.3
Inventories
Finished products	$	63.1		$	73.6
Work-in-process	82.2			66.7
Raw materials	49.6			54.2
Operating supplies and repair and maintenance parts	22.4			20.2
Total	$	217.3		$	214.7

	September 30, 2015			December 31, 2014
	(In millions of dollars)
Prepaid Expenses and Other Current Assets
Current derivative assets – Notes 8 and 9	$	0.3		$	85.7
Current deferred tax assets	92.2			86.4
Short-term restricted cash	0.3			0.3
Prepaid taxes	1.1			—
Other	4.7			6.2
Total	$	98.6		$	178.6
Property, Plant and Equipment – Net
Land and improvements	$	22.7		$	22.9
Buildings and leasehold improvements	68.4			63.8
Machinery and equipment	528.1			509.8
Construction in progress	42.6			25.2
Property, plant and equipment – gross	661.8			621.7
Accumulated depreciation	(189.4		)	(166.8		)
Assets held for sale	0.3			—
Property, plant and equipment – net	$	472.7		$	454.9
Other Assets
Restricted cash	$	10.6		$	10.0
Deferred financing costs	4.5			5.9
Deferred compensation plan assets	7.0			7.3
Other	—			0.1
Total	$	22.1		$	23.3
Other Accrued Liabilities
Current derivative liabilities – Notes 8 and 9	$	16.5		$	94.9
Uncleared cash disbursements	10.1			9.1
Accrued income taxes and taxes payable	6.4			5.2
Accrued annual contribution to VEBAs	—			13.7
Accrued contingent contribution to Union VEBA – Note 5	14.2			—
Short-term environmental accruals – Note 7	2.2			2.3
Accrued interest	6.2			3.7
Short-term deferred revenue	1.5			0.2
Other	4.3			3.7
Total	$	61.4		$	132.8

	September 30, 2015		December 31, 2014
	(In millions of dollars)
Long-Term Liabilities
Derivative liabilities – Notes 8 and 9	$	2.8	$	1.9
Income tax liabilities	0.7		2.4
Workers’ compensation accruals	20.5		21.5
Long-term environmental accruals – Note 7	16.6		17.0
Long-term asset retirement obligations	4.5		4.4
Deferred compensation liabilities	7.3		7.2
Long-term deferred revenue	0.4		0.5
Long-term capital leases	0.1		0.1
Long-term portion of contingent contribution to Union VEBA – Note 5	29.9		—
Other long-term liabilities	3.2		3.3
Total	$	86.0	$	58.3