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Schedule II - VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 29, 2012
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Dec. 31, 2011
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Jan. 01, 2011
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Allowance for Doubtful Accounts [Member]
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| Valuation and Qualifying Accounts Disclosure [Line Items] | |||
| Balance at beginning of period | $ 117 | $ 63 | $ 241 |
| Charged to costs and expenses | (3) | 81 | (131) |
| Deductions – write-offs of accounts | (32) | (27) | 47 |
| Balance at end of period | 82 | 117 | 63 |
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Valuation Allowance for Deferred Tax Assets [Member]
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| Valuation and Qualifying Accounts Disclosure [Line Items] | |||
| Balance at beginning of period | 8,142 | 7,002 | 39,145 |
| Charged to costs and expenses | 2,087 | 1,140 | (32,143) |
| Deductions – write-offs of accounts | 0 | 0 | 0 |
| Balance at end of period | $ 10,229 | $ 8,142 | $ 7,002 |