Property, Plant and Equipment, net (Tables)

9 Months Ended

Sep. 30, 2016

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment, net

Property, plant and equipment, net consisted of the following:

	September 30, 2016		December 31, 2015
	(in millions)
Land	$	1.6	$	1.6
Buildings and improvements	16.6		14.5
Machinery and equipment	555.9		537.5
Construction in progress	17.5		18.9
	591.6		572.5
Less: Accumulated depreciation and amortization	290.7		265.5
Property, plant and equipment, net	$	300.9	$	307.0

Summary of plant turnaround activity

The following is a summary of capitalized plant turnaround costs:

	Nine months ended   September 30,
	2016			2015
	(in millions)
Net capitalized turnaround costs:
Beginning balance	$	37.8		$	16.7
Additions	3.5			33.1
Depreciation	(11.6		)	(8.5		)
Ending balance	$	29.7		$	41.3