Net Property, Plant and Equipment

12 Months Ended

Dec. 31, 2015

Property Plant And Equipment [Abstract]

Net Property, Plant and Equipment

Note 3 — Net Property, Plant and Equipment

	December 31,
(In millions)	2015			2014
Land	$	51.7		$	50.2
Buildings		405.5			386.0
Equipment		1,094.1			1,008.6
Construction in progress		548.1			423.9
Property, plant and equipment		2,099.4			1,868.7
Less accumulated depreciation		(673.8	)		(630.5	)
Net property, plant and equipment	$	1,425.6		$	1,238.2

Depreciation expense related to property, plant and equipment for the years ended December 31, 2015, 2014 and 2013, was $76.4 million, $71.2 million and $59.3 million, respectively. Capitalized interest of $2.1 million and $2.6 million for 2015 and 2014, respectively, was included in construction in progress and is associated with our carbon fiber expansion programs. Capitalized costs associated with software developed for internal use were $8.9 million and $5.7 million for 2015 and 2014, respectively.