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14. Segment Information Segment Asset Reconciliation (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Segment Reporting, Asset Reconciling Item [Line Items]      
Property, plant and equipment, net, excluding segment specific gross machinery and equipment $ 416,938,000 $ 349,501,000  
Goodwill, net 495,418,000 468,933,000 364,000,000
Total assets 3,436,753,000 3,096,803,000  
Reportable Segment [Member]
      
Segment Reporting, Asset Reconciling Item [Line Items]      
Total segment assets 1,274,500,000 1,217,900,000  
Unallocated Amount to Segment [Member]
      
Segment Reporting, Asset Reconciling Item [Line Items]      
Cash and other current assets 1,092,000,000 968,200,000  
Property, plant and equipment, net, excluding segment specific gross machinery and equipment (4,200,000) (27,300,000)  
Goodwill, net 495,400,000 468,900,000  
Other long-term assets $ 579,100,000 $ 469,100,000