OTHER FINANCIAL DATA (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Data [Abstract]
Sales	$ 499.8	$ 593.6	$ 570.4	$ 577.4	$ 562.1	$ 670.7	$ 652.2	$ 630.0	$ 2,241.2	$ 2,515.0	$ 2,184.7
Cost of goods sold	421.9	492.3	463.6	475.4	469.7	528.5	531.1	504.4	1,853.2	2,033.7	1,748.0
Income from continuing operations	12.8	26.1	36.6	29.5					105.0	178.6	149.6
Income from discontinued operations, net	0	0	0.7	0					0.7	0	0
Net income	$ 12.8	$ 26.1	$ 37.3	$ 29.5	$ 24.7	$ 69.7	$ 43.7	$ 40.5	$ 105.7	$ 178.6	$ 149.6
Earnings per Share, Basic [Abstract]
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.16	$ 0.33	$ 0.46	$ 0.37					$ 1.33	$ 2.24	$ 1.87
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share	$ 0.00	$ 0.00	$ 0.01	$ 0.00					$ 0.01	$ 0.00	$ 0.00
Basic net income per share (in dollars per share)	$ 0.16	$ 0.33	$ 0.47	$ 0.37	$ 0.31	$ 0.87	$ 0.54	$ 0.50	$ 1.34	$ 2.24	$ 1.87
Earnings per Share, Diluted [Abstract]
Income (Loss) from Continuing Operations, Per Diluted Share	$ 0.16	$ 0.33	$ 0.46	$ 0.37					$ 1.32	$ 2.21	$ 1.85
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share	$ 0.00	$ 0.00	$ 0.01	$ 0.00					$ 0.01	$ 0.00	$ 0.00
Diluted net income per share (in dollars per share)	$ 0.16	$ 0.33	$ 0.47	$ 0.37	$ 0.31	$ 0.86	$ 0.54	$ 0.50	$ 1.33	$ 2.21	$ 1.85
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)	$ 25.97	$ 28.08	$ 29.28	$ 29.18	$ 29.52	$ 25.17	$ 26.05	$ 25.42	$ 29.28	$ 29.52
Low (in dollars per share)	$ 20.43	$ 25.23	$ 26.42	$ 24.51	$ 21.79	$ 22.50	$ 22.74	$ 21.29	$ 20.43	$ 21.29