XML 58 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6
Contingencies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
Nov. 09, 2009
Apr. 27, 2009
Commitments And Contingencies Disclosure [Abstract]    
Settlement fund payable subject to preliminary and final approval by court   $ 45,000
Damages awarded $ 5,000