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SHAREHOLDERS' EQUITY (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 29 Months Ended |
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 | Jul. 21, 2011
Stockholders' Equity Note [Abstract] |  |  |  |  |
Stock options exercised (in shares) | 0.5 | 0.1 | 0.5 |  |
Total value of stock options exercised | $ 9.7 | $ 1.4 | $ 9.3 |  |
Authorized share repurchase program (in shares) |  |  |  |  | 5
Stock repurchase program period in force (in years) |  |  |  | 3 years 0 months 0 days |
Common stock repurchased and retired (in shares) | (1.5) | (0.2) | (0.2) | (1.9) |
Value of common stock repurchased and retired | 36.2 | 3.1 | 4.2 |  |
Remaining shares authorized to be purchased (in shares) | 3.1 |  |  | 3.1 |
Foreign currency translation adjustment [Roll Forward] |  |  |  |  |
Beginning balance | 2.1 | 1.8 | 0.4 |  |
Unrealized gains (losses) | (2.6) | 0.3 | 1.4 |  |
Ending balance | (0.5) | 2.1 | 1.8 | (0.5) |
Unrealized gains (losses) on derivative contracts (net of taxes) [Roll Forward] |  |  |  |  |
Beginning balance | 4.7 | (5.3) | 11.6 |  |
Unrealized gains (losses) | (4.7) | 6.0 | (10.6) |  |
Reclassification adjustments into income | 0.9 | 4.0 | (6.3) |  |
Ending balance | 0.9 | 4.7 | (5.3) | 0.9 |
Pension and postretirement benefits (net of taxes) [Roll Forward] |  |  |  |  |
Beginning balance | (378.1) | (290.7) | (273.8) |  |
Unrealized gains (losses) | (7.7) | (101.9) | (29.0) |  |
Reclassification adjustments into income | 20.3 | 14.5 | 12.1 |  |
Ending balance | (365.5) | (378.1) | (290.7) | (365.5) |
Accumulated other comprehensive loss [Roll Forward] |  |  |  |  |
Beginning balance | (371.3) | (294.2) | (261.8) |  |
Unrealized gains (losses) | (15.0) | (95.6) | (38.2) |  |
Reclassification adjustments into income | 21.2 | 18.5 | 5.8 |  |
Ending balance | (365.1) | (371.3) | (294.2) | (365.1) |
Deferred tax (benefit) provision on unrealized gains and losses on derivative contracts | (2.5) | 6.4 | (10.7) |  |
Deferred tax (benefit) provision on pension and postretirement benefits | $ 8.2 | $ (56.0) | $ (10.2) |  |

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