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SEGMENT INFORMATION (Details 2) (USD $) In Millions, 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
Sales By Geographic Area [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
Total assets | 2,802.8 |  |  |  | 2,777.7 |  |  |  | 2,802.8 | 2,777.7 |
Export sales from the United States to unaffiliated customers |  |  |  |  |  |  |  |  | 25.2 | 25.1 | 22.0
United States [Member] |  |  |  |  |  |  |  |  |  |  |
Sales By Geographic Area [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  | 2,316.2 | 1,970.5 | 1,774.0
Transfers between areas |  |  |  |  |  |  |  |  | 53.4 | 53.5 | 50.0
Total assets | 2,574.9 |  |  |  | 2,520.8 |  |  |  | 2,574.9 | 2,520.8 |
Foreign [Member] |  |  |  |  |  |  |  |  |  |  |
Sales By Geographic Area [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  | 198.8 | 214.2 | 187.1
Transfers between areas |  |  |  |  |  |  |  |  | 109.0 | 85.5 | 95.3
Total assets | 227.9 |  |  |  | 256.9 |  |  |  | 227.9 | 256.9 |
Intersegment Elimination [Member] |  |  |  |  |  |  |  |  |  |  |
Sales By Geographic Area [Abstract] |  |  |  |  |  |  |  |  |  |  |
Transfers between areas |  |  |  |  |  |  |  |  | $ (162.4) | $ (139.0) | $ (145.3)

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