Consolidated Condensed Statements of Operations and Retained Earnings (Unaudited) (Parenthetical) (USD $) In Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Oct. 01, 2011 |
Oct. 02, 2010 |
Oct. 01, 2011 |
Oct. 02, 2010 |
|
| Costs and Expenses: | ||||
| Interest income | $ 82 | $ 7 | $ 96 | $ 24 |