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ACQUISITIONS (SIMOS Narrative) (Details) - USD ($) | Dec. 01, 2015 | Jan. 01, 2017 | Dec. 25, 2015
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Contingent consideration |  | $ 21,600,000 | $ 0
SIMOS Insourcing Solutions Corporation |  |  |
Business Acquisition [Line Items] |  |  |
Cash purchase price, net of working capital adjustment | $ 66,600,000 |  |
EBITDA target threshold | 87.50% |  |
Contingent consideration | $ 18,300,000 |  |
Minimum | SIMOS Insourcing Solutions Corporation |  |  |
Business Acquisition [Line Items] |  |  |
Contingent consideration | 0 |  |
Maximum | SIMOS Insourcing Solutions Corporation |  |  |
Business Acquisition [Line Items] |  |  |
Contingent consideration | 22,500,000 |  |
Significant Unobservable Inputs (Level 3) | SIMOS Insourcing Solutions Corporation |  |  |
Business Acquisition [Line Items] |  |  |
Contingent consideration, liability | $ 21,100,000 |  |
Discount rate | 10.00% |  |
Contingent consideration |  | 21,600,000 | 19,300,000
Total Fair Value | SIMOS Insourcing Solutions Corporation |  |  |
Business Acquisition [Line Items] |  |  |
Contingent consideration |  | $ 21,600,000 | $ 19,300,000

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