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Inventories (Schedule Of Inventories) (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Inventory [Line Items]    
Raw materials $ 84,294 $ 87,621
Work-in-process 47,233 45,486
Finished goods 194,290 198,587
Inventories, gross 325,817 331,694
Less: Inventory reserve (30,206) (32,919)
Inventories $ 295,611 $ 298,775