Balance Sheet Components (Property, Plant and Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Land and improvements	$ 72,462	$ 72,945
Buildings and improvements	678,361	676,028
Machinery and equipment	1,376,552	1,358,163
Construction in progress	274,371	263,948
Total property, plant and equipment, gross	2,401,746	2,371,084
Less accumulated depreciation	1,065,909	1,073,050
Total property, plant and equipment, net	$ 1,335,837	$ 1,298,034