Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2013

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

		2013		2012
Land	$	4,862	$	4,764
Improvements to land and leaseholds		24,903		23,187
Buildings		15,834		13,715
Machinery and equipment, including equipment under capitalized leases		88,803		80,120
Construction in progress		3,567		1,783
		137,969		123,569
Less accumulated depreciation and amortization, including
accumulated amortization of capitalized leases		87,860		81,236
	$	50,109	$	42,333