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WORKERS' COMPENSATION INSURANCE AND RESERVES - Narrative (Details) (USD $) | 12 Months Ended
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Dec. 27, 2013 | Dec. 28, 2012 | Dec. 30, 2011
Workers' Compensation Deductible Limit [Line Items] |  |  |
Workers' compensation claim deductible limit | $ 2,000,000.0 |  |
Undiscounted workers’ compensation reserve | 234,400,000 | 216,000,000 |
Weighted average period - claim payments and receivables above deductible limit | 15 years 6 months |  |
Workers compensation valuation allowance | 5,700,000 | 5,600,000 |
Workers' compensation claim receivables net of valuation allowance | 28,400,000 | 21,400,000 |
Workers' compensation expense | 63,200,000 | 52,300,000 | 51,200,000
Below limit |  |  |
Workers' Compensation Deductible Limit [Line Items] |  |  |
Weighted average discount rate - claims below deductible limit | 2.10% | 2.40% |
Above limit |  |  |
Workers' Compensation Deductible Limit [Line Items] |  |  |
Undiscounted workers’ compensation reserve | 34,100,000 | 27,100,000 |
Weighted average discount rate - claims and receivables above deductible limit | 3.90% |  |
Workers' compensation liability - claims receivable from insurance carriers | $ 34,100,000 | $ 27,100,000 |

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- Definition Estimated weighted average period in which claim payments are made and reimbursements from insurance carries are received for workers' compensation claims that are above the established deductible limit as of the balance sheet date. + References No definition available. + Details
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- Definition Amount of risk retained by the entity for workers' compensation claims, on a per occurrence basis, before the insurance arrangement begins to provide coverage. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of reimbursement receivables from insurance carries pertaining to claims incurred of a workers compensation nature that are above the established deductible limit, net of a valuation allowance for reimbursement receivables that are expected to be uncollectible. + References No definition available. + Details
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- Details
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- Definition Workers' compensation expense recognized during the period for claims reserves net of changes in discount in non monopolistic jurisdictions; premiums in monopolistic jurisdictions; insurance premiums; changes in the valuation allowance related to receivables from insurance companies; and other miscellaneous expenses. + References No definition available. + Details
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- Definition Workers Compensation Liability Claim Payments Above Deductible Limit, Receivable + References No definition available. + Details
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- Definition A valuation allowance for receivables from insurance carriers for workers' compensation claims incurred above the established deductible limit that are expected to be uncollectible. + References No definition available. + Details
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- Definition The average discount rate applied to insurance contracts to determine future policy benefits to be paid to or on behalf of policyholders. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6482714&loc=d3e14881-158438 + Details
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- Definition Percent discount applied to worker's compensation reserve liability to reduce the reserve to present value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Subparagraph b -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.13(b)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6482852&loc=d3e14931-158439 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6482485&loc=d3e14754-158437 + Details
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- Definition Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 + Details
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