XML 59 R38.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value Measurement Of Assets and Liabilities on Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Assets:    
Cash Equivalents $ 41,396 $ 41,907
Cash Surrender Value - Life Insurance 1,016 1,016
Total 42,412 42,923
Fair Value, Inputs, Level 1
   
Assets:    
Cash Equivalents 41,396 41,907
Total 41,396 41,907
Fair Value, Inputs, Level 2
   
Assets:    
Cash Surrender Value - Life Insurance 1,016 1,016
Total $ 1,016 $ 1,016