XML 37 R34.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements Assets Measured on a Non-Recurring Basis (Details) (Fair Value, Inputs, Level 3 [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Fair Value, Inputs, Level 3 [Member]
       
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]        
Adjusted basis of inventory $ 1,583 $ 607 $ 1,901 $ 607
Impairments 1,201 472 2,101 567
Initial Basis of inventory $ 2,784 $ 1,079 $ 4,002 $ 1,174