Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Real Estate Held-for-sale	$ 2,200
Property and equipment, gross	526,010	$ 495,244
Less accumulated depreciation	(253,381)	(248,150)
Property and equipment, net	272,629	247,094
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	22,972	24,536
Building
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 163,420	133,152
Building | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful life	30 years
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 241,310	236,267
Machinery and equipment | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful life	3 years
Machinery and equipment | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful life	7 years
Office equipment and other
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 98,308	$ 101,289
Office equipment and other | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful life	3 years
Office equipment and other | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment estimated useful life	10 years