Inventories (Components Of Inventories) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2011		Dec. 31, 2010
Inventory [Line Items]
Raw materials and supplies	$ 23,260	[1]	$ 26,847	[1]
In-process inventories	2,376	[1]	3,314	[1]
Finished goods and goods for resale	95,805	[1]	61,713	[1]
Total	$ 121,441	[1]	$ 91,874	[1]

[1] Restated