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OTHER FINANCIAL DATA (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Quarterly Financial Data [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales | $ 562.1 | $ 670.7 | $ 652.2 | $ 630.0 | $ 587.6 | $ 581.2 | $ 508.7 | $ 507.2 | $ 2,515.0 | $ 2,184.7 | $ 1,961.1
Cost of goods sold | 469.7 | 528.5 | 531.1 | 504.4 | 487.9 | 475.8 | 391.4 | 392.9 | 2,033.7 | 1,748.0 | 1,573.9
Net income | $ 24.7 | $ 69.7 | $ 43.7 | $ 40.5 | $ 34.6 | $ 28.7 | $ 47.6 | $ 38.7 | $ 178.6 | $ 149.6 | $ 241.7
Net income per common share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Basic net income per share (in dollars per share) | $ 0.31 | $ 0.87 | $ 0.54 | $ 0.50 | $ 0.43 | $ 0.36 | $ 0.59 | $ 0.48 | $ 2.24 | $ 1.87 | $ 3.02
Diluted net income per share (in dollars per share) | $ 0.31 | $ 0.86 | $ 0.54 | $ 0.50 | $ 0.43 | $ 0.35 | $ 0.59 | $ 0.48 | $ 2.21 | $ 1.85 | $ 2.99
Common dividends per share (in dollars per share) | $ 0.20 | $ 0.20 | $ 0.20 | $ 0.20 | $ 0.20 | $ 0.20 | $ 0.20 | $ 0.20 | $ 0.80 | $ 0.80 |
Market price of common stock [Abstract] |  |  |  |  |  |  |  |  |  |  |
High (in dollars per share) | $ 29.52 | $ 25.17 | $ 26.05 | $ 25.42 | $ 22.32 | $ 23.48 | $ 22.24 | $ 23.46 | $ 29.52 | $ 23.48 |
Low (in dollars per share) | $ 21.79 | $ 22.50 | $ 22.74 | $ 21.29 | $ 19.50 | $ 19.34 | $ 18.40 | $ 19.75 | $ 21.29 | $ 18.40 |

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