Property, Plant and Equipment (Notes)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Line Items]

Property, Plant and Equipment Disclosure [Text Block]

Property, Plant and Equipment

The following table summarizes the components of property, plant and equipment:

		December 31,
Classification	Estimated Useful Life	2015			2014
Land and buildings	20-35 years	$	164,181		$	161,986
Machinery and equipment	3-12 years	163,200			165,379
Computer equipment, furniture and fixtures	3-7 years	33,993			34,866
Construction in process		52,815			23,626
Total property, plant and equipment, gross		414,189			385,857
Less: accumulated depreciation		(147,912		)	(128,212		)
Total property, plant and equipment, net		$	266,277		$	257,645

Depreciation expense was $28,115, $25,231 and $21,159 for the years ended December 31, 2015, 2014 and 2013, respectively. Included in construction in progress at December 31, 2015 is $45,900 related to the plant expansion in Changzhou, China.

Included in property, plant & equipment and accounts payable in the consolidated balance sheet at December 31, 2015 is $6,791 related to property purchases which were unpaid at December 31, 2015.

See Note 3, Asset Impairments, for information regarding property, plant and equipment impaired in 2015.