Supplemental Balance Sheet Information

9 Months Ended

Sep. 30, 2013

Supplemental Balance Sheet Information [Abstract]

Supplemental Balance Sheet Information

Supplemental Balance Sheet Information

	September 30, 2013		December 31, 2012
Cash and Cash Equivalents.
Cash and money market funds	$	89.5	$	107.9
Commercial paper	135.1		165.5
Total	$	224.6	$	273.4

Trade Receivables.
Billed trade receivables	$	116.5		$	124.4
Unbilled trade receivables	6.4			0.2
Trade receivables, gross	122.9			124.6
Allowance for doubtful receivables	(0.8		)	(0.8		)
Trade receivables, net	$	122.1		$	123.8

Inventories.
Finished products	$	68.6	$	59.9
Work-in-process	70.1		55.5
Raw materials	50.9		53.9
Operating supplies and repair and maintenance parts	18.3		16.7
Total	$	207.9	$	186.0

Prepaid Expenses and Other Current Assets.
Current derivative assets – Notes 9 and 10	$	0.7	$	3.0
Current deferred tax assets	59.5		59.5
Current portion of option premiums paid – Notes 9 and 10	—		0.1
Short-term restricted cash	1.3		1.3
Prepaid taxes	2.4		2.1
Prepaid expenses	3.7		4.1
Total	$	67.6	$	70.1

Property, Plant and Equipment - Net.
Land and improvements	$	22.6		$	22.6
Buildings and leasehold improvements	52.5			50.9
Machinery and equipment	416.5			400.4
Construction in progress	50.1			20.8
Active property, plant and equipment, gross	541.7			494.7
Accumulated depreciation	(131.0		)	(111.4		)
Active property, plant and equipment, net	410.7			383.3
Idled equipment	1.0			1.0
Total	$	411.7		$	384.3

Other Assets.
Derivative assets – Notes 9 and 10	$	83.6	$	55.5
Restricted cash	9.3		10.0
Long-term income tax receivable	—		2.9
Deferred financing costs	9.6		11.7
Deferred compensation plan assets	6.3		5.6
Other	0.3		0.3
Total	$	109.1	$	86.0

Other Accrued Liabilities.
Current derivative liabilities – Notes 9 and 10	$	4.0	$	3.1
Current portion of option premiums received – Notes 9 and 10	0.1		0.1
Uncleared cash disbursement	7.8		4.7
Accrued income taxes and taxes payable	5.7		3.1
Accrued annual VEBA contribution	—		20.0
Short-term environmental accrual – Note 8	5.3		3.0
Accrued interest	10.3		3.7
Short-term deferred revenue	1.9		6.7
Other	5.8		7.4
Total	$	40.9	$	51.8

Long-term Liabilities.
Derivative liabilities – Notes 9 and 10	$	90.7	$	63.5
Income tax liabilities	9.8		15.1
Workers’ compensation accruals	22.9		24.0
Long-term environmental accrual – Note 8	16.5		18.7
Long-term asset retirement obligations	3.9		3.8
Deferred compensation liability	6.7		5.8
Long-term capital lease	0.1		0.2
Other long-term liabilities	3.4		3.4
Total	$	154.0	$	134.5

Long-term Debt. — Note 3
Senior notes	$	225.0	$	225.0
Cash convertible senior notes	161.4		155.3
Total	$	386.4	$	380.3