Property, Plant and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2013

Property, Plant and Equipment, Net

Schedule of property, plant and equipment, net

	December 31,
	2013		2012
	(in millions)
Land	$	1.6	$	1.6
Buildings and improvements		8.1		7.6
Plant and equipment		375.6		306.4
Construction in progress		71.5		45.7
		456.8		361.3
Less: Accumulated depreciation and amortization		242.7		233.2
	$	214.1	$	128.1

Summary of plant turnaround activity

	Year ended December 31,
	2013			2012
	(in millions)
Net capitalized turnaround costs:
Beginning balance	$	2.6		$	6.5
Additions		24.7			—
Depreciation		(4.6	)		(3.9	)
Ending balance	$	22.7		$	2.6