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ACQUISITIONS Aon Purchase Price Allocation (Details) - USD ($) $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Jan. 04, 2016 | Sep. 23, 2016 | Sep. 25, 2015 | Dec. 25, 2015
Business Acquisition [Line Items] |  |  |  |  |
Cash purchase price, net of working capital adjustment |  |  | $ 71,863 | $ 0 |
Goodwill |  |  | $ 225,905 |  | $ 268,495
Aon Hewitt |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash purchase price, net of working capital adjustment |  | $ 71,863 |  |  |
Accounts receivable |  | 12,272 |  |  |
Prepaid expenses, deposits and other current assets |  | 281 |  |  |
Intangible Assets |  | 35,300 |  |  |
Total assets acquired |  | 47,853 |  |  |
Accrued wages and benefits | [1] | 1,025 |  |  |
Other long-term liabilities | [1] | 456 |  |  |
Total liabilities assumed |  | 1,481 |  |  |
Net identifiable assets acquired |  | 46,372 |  |  |
Goodwill | [2] | 25,491 |  |  |
Adjustment, Intangibles |  | $ 500 |  |  |
Goodwill, expected tax deductible amount, Period |  | 15 years |  |  |
Customer relationships | Aon Hewitt |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible Assets | [1] | $ 34,900 |  |  |
Technologies | Aon Hewitt |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible Assets |  | $ 400 |  |  |
[1] | The preliminary purchase price allocation was adjusted for changes resulting in a net reduction in goodwill of $0.5 million.
[2] | Goodwill represents the expected synergies with our existing business, the acquired assembled workforce, potential new customers, and future cash flows after the acquisition of the RPO business of Aon Hewitt. Goodwill is deductible for income tax purposes over 15 years as of January 4, 2016.

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