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EQUITY AND LONG-TERM INCENTIVE COMPENSATION - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 29, 2019 | Jun. 30, 2018 | Jun. 29, 2019 | Jun. 30, 2018 | Mar. 30, 2019 | Dec. 31, 2018 | Mar. 31, 2018 | Dec. 31, 2017
Accum. Other Comprehensive Income |  |  |  |  |  |  |  |
Components of accumulated other comprehensive income, net of tax [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | $ 246.6 | $ 254.5 | $ 244.9 | $ 250.1 |  |  |  |
Other comprehensive loss before reclassifications | (2.2) | (2.3) | (2.3) | (1.6) |  |  |  |
Impact of initial adoption of ASC 606 |  |  |  | (0.3) |  |  |  |
Stranded income tax effects resulting from tax reform |  |  |  | 4.8 |  |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) | (1.7) | (0.7) | 0.1 | (1.5) |  |  |  |
Current-period other comprehensive loss | (3.9) | (3.0) | (2.2) | 1.4 |  |  |  |
Balance at end of period | 242.7 | 251.5 | 242.7 | 251.5 |  |  |  |
Foreign Currency Translation Adjustment |  |  |  |  |  |  |  |
Components of accumulated other comprehensive income, net of tax [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | 228.2 | 231.2 | 225.8 | 230.2 |  |  |  |
Other comprehensive loss before reclassifications | 0.0 | (1.8) | 0.0 | (0.8) |  |  |  |
Impact of initial adoption of ASC 606 |  |  |  | 0.0 |  |  |  |
Stranded income tax effects resulting from tax reform |  |  |  | 0.0 |  |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) | (1.0) | 0.0 | 1.4 | 0.0 |  |  |  |
Current-period other comprehensive loss | (1.0) | (1.8) | 1.4 | (0.8) |  |  |  |
Balance at end of period | 227.2 | 229.4 | 227.2 | 229.4 |  |  |  |
Net Unrealized Gains (Losses) on Qualifying Cash Flow Hedges |  |  |  |  |  |  |  |
Components of accumulated other comprehensive income, net of tax [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | (0.5) |  | (0.6) |  |  |  |  |
Other comprehensive loss before reclassifications | (2.2) |  | (2.3) |  |  |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) | 0.0 |  | 0.2 |  |  |  |  |
Current-period other comprehensive loss | (2.2) |  | (2.1) |  |  |  |  |
Balance at end of period | (2.7) |  | (2.7) |  |  |  |  |
Tax provision (benefit) | (0.9) |  | (0.9) |  | $ (0.1) |  |  |
Pension and Postretirement Liability Adjustment |  |  |  |  |  |  |  |
Components of accumulated other comprehensive income, net of tax [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period | 18.9 | 23.0 | 19.7 | 19.1 |  |  |  |
Other comprehensive loss before reclassifications | 0.0 | 0.0 | 0.0 | 0.0 |  |  |  |
Impact of initial adoption of ASC 606 |  |  |  | 0.0 |  |  |  |
Stranded income tax effects resulting from tax reform |  |  |  | 4.6 |  |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) | (0.7) | (0.7) | (1.5) | (1.4) |  |  |  |
Current-period other comprehensive loss | (0.7) | (0.7) | (1.5) | 3.2 |  |  |  |
Balance at end of period | 18.2 | 22.3 | 18.2 | 22.3 |  |  |  |
Tax provision (benefit) | $ 6.1 | 7.3 | $ 6.1 | 7.3 | $ 6.4 | $ 6.6 | $ 7.6 | $ 12.5
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent |  |  |  |  |  |  |  |
Components of accumulated other comprehensive income, net of tax [Roll Forward] |  |  |  |  |  |  |  |
Balance at beginning of period |  | 0.3 |  | 0.8 |  |  |  |
Other comprehensive loss before reclassifications |  | (0.5) |  | (0.8) |  |  |  |
Impact of initial adoption of ASC 606 |  |  |  | (0.3) |  |  |  |
Stranded income tax effects resulting from tax reform |  |  |  | 0.2 |  |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  | 0.0 |  | (0.1) |  |  |  |
Current-period other comprehensive loss |  | (0.5) |  | (1.0) |  |  |  |
Balance at end of period |  | (0.2) |  | (0.2) |  |  |  |
Tax provision (benefit) |  | $ 0.1 |  | $ 0.1 |  | $ (0.2) | $ (0.1) | $ (0.5)

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