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Prepaid Expenses and Other Current Assets, and Other Assets (Details) (USD $) | 12 Months Ended | 3 Months Ended
--- | --- | ---
Dec. 28, 2013 | Dec. 29, 2012 | Mar. 30, 2014 Subsequent event
Prepaid expenses and other current assets |  |  |
Term loans to employees and non-employee experts | $ 1,764,000 | $ 8,614,000 |
Other | 10,011,000 | 14,387,000 |
Total | 11,775,000 | 23,001,000 |
Other assets |  |  |
Forgivable loans to employees and non-employee experts | 51,083,000 | 15,448,000 |
Other | 3,538,000 | 6,223,000 |
Total | 54,621,000 | 21,671,000 |
Prepaid expenses and other assets disclosures |  |  |
Term of forgivable loans or advances to employees and non-employee experts, minimum | 3 years |  |
Term of forgivable loans or advances to employees and non-employee experts, maximum | 8 years |  |
Forgivable loans issuable to future employees for future service | 5,000,000 |  |
Prepaid Expenses and Other Current Assets, and Other Assets |  |  |
Forgivable loans issued to future employees for future service | $ 38,800,000 | $ 20,700,000 | $ 5,000,000

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