Note 9. Derivative Financial Instruments (Detail) - Summary of Derivative-related Activity in Accumulated Other Comprehensive Income (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 25, 2011
Sep. 30, 2012
Sep. 25, 2011
Balance $ 217      
Net loss reclassified into earnings 538   538  
Net decrease in fair value of the cash flow hedges (1,639) 0 (1,422) 0
Balance $ (884)   $ (884)