FAIR VALUE - Investments in Equity Securities (Details) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Oct. 01, 2016 |
Sep. 26, 2015 |
|
| Fair Value Disclosures [Abstract] | ||
| Fair value of Level 3 assets | $ 8.1 | $ 7.4 |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Balance at beginning of year | 8.1 | 7.4 |
| Unrealized gains (losses) recorded to earnings | (0.2) | 0.9 |
| Balance at end of period | $ 7.9 | $ 8.3 |