Property, Plant and Equipment, net (Tables)

3 Months Ended

Mar. 31, 2013

Property, Plant and Equipment, net

Schedule of property, plant and equipment, net

	March 31, 2013		December 31, 2012
	(in millions)
Land	$	1.6	$	1.6
Building and improvements		7.6		7.6
Plant and equipment		301.2		306.4
Construction in progress		60.6		45.7
		371.0		361.3
Less: Accumulated depreciation and amortization		229.7		233.2
	$	141.3	$	128.1

Summary of plant turnaround activity

	Three months ended March 31,
	2013			2012
	(in millions)
Net capitalized turnaround costs:
Beginning balance	$	2.6		$	6.5
Additions		—			—
Depreciation		(1.0	)		(0.8	)
Ending balance	$	1.6		$	5.7