Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2012

Property Plant and Equipment [Abstract]

Schedule Of Property Plant And Equipment [Table Text Block]

		2012		2011
Buildings and leasehold improvements	$	53,068	$	46,654
Machinery and equipment		465,106		410,559
		518,174		457,213
Less: Accumulated depreciation
and amortization		(322,403)		(266,228)
		195,771		190,985
Construction in-progress		31,227		19,468
Land		16,298		14,940
	$	212,069	$	205,925