Note 4 - Financial Instruments Measured at Fair Value - Effective Maturities of Short-Term Investments (Details) - USD ($) $ in Thousands |
Sep. 26, 2015 |
Dec. 27, 2014 |
---|---|---|
Amortized cost | $ 1,467 | $ 1,155 |
Estimated fair value | $ 1,467 | $ 1,155 |
X | ||||||||||
- Definition Amount after adjustments of available-for-sale debt securities at cost, maturing in the next fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition Fair value of available-for-sale debt securities maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|