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Prepaid Expenses and Other Assets, and Other Assets (Details) (USD $) | 6 Months Ended |
--- | --- | ---
Jun. 29, 2013 | Dec. 29, 2012
Prepaid expenses and other assets |  |
Forgivable Loans and term loans to employees and non-employee experts | $ 6,801,000 | $ 11,875,000
Income taxes receivable | 3,688,000 | 4,104,000
Prepaid insurance | 1,690,000 | 1,330,000
Subscriptions and licenses | 1,814,000 | 1,395,000
Prepaid rent and deposits | 1,272,000 | 968,000
Other | 3,283,000 | 3,329,000
Total | 18,548,000 | 23,001,000
Other assets |  |
Forgivable loans and term loans to employees and non-employee experts | 51,102,000 | 17,364,000
Other | 4,060,000 | 4,307,000
Total | 55,162,000 | 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 issued to employees and non-employee experts for future service | $ 38,000,000 |

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- Definition The total of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer, and the aggregate carrying amount of current assets, as of the balance sheet date, not separately presented elsewhere in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 8 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Section A -Paragraph 4 -Chapter 3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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