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Note 10. Impairment of Long-lived Assets including Acquisition-related Intangible Assets (Details) (USD $)
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12 Months Ended | ||
|---|---|---|---|
|
Dec. 28, 2014
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Dec. 29, 2013
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Dec. 30, 2012
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| Disclosure Text Block Supplement [Abstract] | |||
| Impairment of Long-Lived Assets Held-for-use | $ 0 | $ 0 | $ 0 |