Inventory (Components Of Inventories) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011
Inventory [Line Items]
Raw materials and supplies	$ 18,510	$ 22,237
In-process inventories	6,873	2,655
Finished goods and goods for resale	111,443	92,798
Total	$ 136,826	$ 117,690	$ 150,160