Property, Plant and Equipment-Net (Tables)

3 Months Ended

Mar. 31, 2015

Property, Plant and Equipment, Net [Abstract]

Components of property, plant and equipment-net

Property, plant and equipment—net consists of the following:

	March 31, 2015		December 31, 2014
	(in millions)
Land	$	47.9	$	48.4
Machinery and equipment	5,276.0		5,268.7
Buildings and improvements	159.3		160.7
Construction in progress(1)	2,998.9		2,559.0
	8,482.1		8,036.8
Less: Accumulated depreciation and amortization	2,557.1		2,511.0
	$	5,925.0	$	5,525.8

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⁽¹⁾  As of March 31, 2015 and December 31, 2014, we had construction in progress that was accrued but unpaid of $389.7 million and $279.0 million, respectively. These amounts included accruals related to our capacity expansion projects of $348.3 million and $244.3 million as of March 31, 2015 and December 31, 2014, respectively.

Summary of plant turnaround activity

The following is a summary of plant turnaround activity:

	Three months ended   March 31,
	2015			2014
	(in millions)
Net capitalized turnaround costs:
Beginning balance	$	153.2		$	119.8
Additions	26.5			17.1
Depreciation	(13.7		)	(18.7		)
Effect of exchange rate changes	(1.7		)	(0.6		)
Ending balance	$	164.3		$	117.6