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Inventories (Schedule Of Inventories) (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2011
Inventories [Line Items]      
Finished goods $ 380,309 $ 323,606 $ 310,334
Raw materials 586 803 730
Work-in-process     2
Total inventories $ 380,895 $ 324,409 $ 311,066