Supplemental Balance Sheet Information

3 Months Ended

Mar. 31, 2014

Supplemental Balance Sheet Information [Abstract]

Supplemental Balance Sheet Information

Supplemental Balance Sheet Information

	March 31, 2014		December 31, 2013
Cash and Cash Equivalents.
Cash and money market funds	$	68.5	$	57.7
Commercial paper	117.1		111.8
Total	$	185.6	$	169.5

Trade Receivables.
Billed trade receivables	$	124.1		$	120.2
Unbilled trade receivables	0.2			0.4
Trade receivables, gross	124.3			120.6
Allowance for doubtful receivables	(0.8		)	(0.8		)
Trade receivables, net	$	123.5		$	119.8

Inventories.
Finished products	$	65.9	$	72.5
Work-in-process	66.9		75.9
Raw materials	51.5		47.2
Operating supplies and repair and maintenance parts	18.8		18.8
Total	$	203.1	$	214.4

Prepaid Expenses and Other Current Assets.
Current derivative assets – Notes 8 and 9	$	4.1	$	2.0
Current deferred tax assets	36.7		36.7
Short-term restricted cash	0.3		0.3
Prepaid taxes	2.8		—
Prepaid expenses	4.7		5.2
Total	$	48.6	$	44.2

Property, Plant and Equipment - Net.
Land and improvements	$	22.8		$	22.6
Buildings and leasehold improvements	54.2			53.0
Machinery and equipment	455.3			425.6
Construction in progress	49.3			66.0
Property, plant and equipment, gross	581.6			567.2
Accumulated depreciation	(144.9		)	(137.9		)
Total	$	436.7		$	429.3

Other Assets.
Derivative assets – Notes 8 and 9	$	84.2	$	79.8
Restricted cash	9.3		9.3
Deferred financing costs	8.2		8.9
Deferred compensation plan assets	6.6		6.5
Other	0.2		0.3
Total	$	108.5	$	104.8

Other Accrued Liabilities.
Current derivative liabilities – Notes 8 and 9	$	2.0	$	1.8
Uncleared cash disbursements	10.5		9.6
Accrued income taxes and taxes payable	7.6		4.3
Accrued annual VEBA contribution	—		16.0
Short-term environmental accrual – Note 7	3.6		2.8
Accrued interest	10.3		3.7
Other	3.1		6.6
Total	$	37.1	$	44.8

Long-term Liabilities.
Derivative liabilities – Notes 8 and 9	$	87.7	$	84.3
Income tax liabilities	4.9		5.0
Workers’ compensation accruals	23.4		23.3
Long-term environmental accrual – Note 7	18.9		20.0
Long-term asset retirement obligations	4.1		4.0
Deferred compensation liability	7.2		7.0
Long-term capital lease	0.1		0.1
Other long-term liabilities	2.7		2.7
Total	$	149.0	$	146.4

Long-term Debt. — Note 3
Senior notes	$	225.0	$	225.0
Cash convertible senior notes	165.7		163.5
Total	$	390.7	$	388.5