Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

		June 30,		December 31,
		2016		2015
Land	$	14,592	$	17,054
Improvements to land and leaseholds		16,598		16,590
Buildings		33,252		39,366
Machinery and equipment, including equipment under capitalized leases		116,470		118,677
Construction in progress		4,917		11,844
		185,829		203,531
Less accumulated depreciation and amortization, including accumulated amortization of capitalized leases		77,204		76,786
	$	108,625	$	126,745