XML 26 R29.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventories (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Schedule of Inventory [Line Items]    
Raw materials $ 23,241 $ 28,075
Work in progress 7,125 13,045
Inventories $ 30,366 $ 41,120