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Schedule II Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 27, 2015
Schedule II - Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | Valuation and Qualifying Accounts Fiscal Years Ended in December (Thousands of Dollars)
| Balance at Beginning of Year |  | Expense (Benefit) |  | Other Additions |  | Write-Offs and Other (a) |  | Balance at End of Year
Valuation accounts deducted from assets to which they apply – for doubtful accounts receivable: |  |  |  |  |  |  |  |  |  |  |
2015 | $ | 15,900 |  | 2,400 |  | - |  | (3,400) |  | $ | 14,900
2014 | $ | 19,000 |  | 800 |  | - |  | (3,900) |  | $ | 15,900
2013 | $ | 19,600 |  | - |  | - |  | (600) |  | $ | 19,000

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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