Property, Plant and Equipment, net (Tables)

9 Months Ended

Sep. 30, 2012

Property, Plant and Equipment, net

Schedule of property, plant and equipment, net

	September 30, 2012		December 31, 2011
	(in millions)
Land	$	1.6	$	1.6
Building and improvements		7.4		7.3
Plant and equipment		305.8		302.8
Construction in progress		30.7		3.0
		345.5		314.7
Less: Accumulated depreciation and amortization		240.8		226.9
	$	104.7	$	87.8

Summary of plant turnaround activity

	Nine months ended September 30,
	2012			2011
	(in millions)
Net capitalized turnaround costs:
Beginning balance	$	6.5		$	13.4
Additions		—			0.9
Depreciation		(3.0	)		(6.9	)
Ending balance	$	3.5		$	7.4