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WORKERS' COMPENSATION INSURANCE AND RESERVES - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 01, 2017 | Sep. 23, 2016 | Oct. 01, 2017 | Sep. 23, 2016 | Jan. 01, 2017
Workers' Compensation Deductible Limit [Line Items] |  |  |  |  |
Workers' compensation claim deductible limit |  |  | $ 2.0 |  |
Weighted average period - claim payments below deductible limit |  |  | 4 years 6 months |  |
Payments made against self-insured claims |  |  | $ 48.2 | $ 55.6 |
Weighted average period - claim payments and receivables above deductible limit |  |  | 15 years |  |
Excess claims | $ 50.7 |  | $ 50.7 |  | $ 52.9
Workers' compensation claim receivables net of valuation allowance | 45.7 |  | 45.7 |  | $ 48.9
Workers' compensation expense | $ 22.1 | $ 23.4 | $ 64.2 | $ 72.1 |
Below limit |  |  |  |  |
Workers' Compensation Deductible Limit [Line Items] |  |  |  |  |
Weighted average rate |  |  | 1.60% |  | 1.60%

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- Definition Discounted workers compensation reserve for excess claims. + References No definition available. + Details
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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 Estimated weighted average period in which claim payments are made for workers' compensation claims that are below 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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- Definition [Line Items] for Workers' Compensation Deductible Limit + References No definition available. + 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 Amount, after effects of reinsurance, of payments to settle insured claims and pay costs incurred in the claims settlement process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65670824&loc=d3e14764-158437 + 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=65670685&loc=d3e14881-158438 + Details
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