Balance Sheet Components (Property, Plant and Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,570,273	$ 2,484,011
Accumulated depreciation	1,111,227	1,086,795
Property, plant and equipment, net	1,459,046	1,397,216
Land and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	67,976	73,857
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	640,493	665,058
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,530,193	1,436,904
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 331,611	$ 308,192