Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2011

Property Plant and Equipment [Abstract]

Schedule Of Property Plant And Equipment [Table Text Block]

		2011		2010
Buildings and leasehold improvements	$	46,654	$	42,353
Construction in-progress		19,468		4,607
Machinery and equipment		410,559		354,008
		476,681		400,968
Less: Accumulated depreciation
and amortization		(266,228)		(215,213)
		210,453		185,755
Land		14,940		14,990
	$	225,393	$	200,745