ACCOUNTING POLICIES (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended					12 Months Ended				12 Months Ended		12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Feb. 28, 2011	Dec. 31, 2008	Dec. 31, 2011 Facility Exit Costs Asset Retirement Obligations [Member]	Dec. 31, 2010 Facility Exit Costs Asset Retirement Obligations [Member]	Dec. 31, 2011 Customers, customer contracts and relationships [Member] Pioneer [Member]	Aug. 31, 2007 Customers, customer contracts and relationships [Member] Pioneer [Member]	Dec. 31, 2011 Customers, customer contracts and relationships [Member] SunBelt [Member]	Feb. 28, 2011 Customers, customer contracts and relationships [Member] SunBelt [Member]	Dec. 31, 2011 Internally developed and purchased software [Member] Pioneer [Member]	Aug. 31, 2007 Internally developed and purchased software [Member] Pioneer [Member]
Components of other operating income [Abstract]
Gains (losses) on disposition of property, plant and equipment	$ 1.4	$ 1.1	$ 1.6
Amortization of 2007 gain on intangible asset sale (recognized through 2012)	1.2	1.2	1.1
Gains on sale of land	0.3	0	3.7
Gains on dispositions of former manufacturing facilities	3.7	0	1.2
Gains on insurance recoveries	1.9	0	0
Gains on sale of other assets	0	0	0.8
Other	0.3	0.2	0.7
Other operating income	8.8	2.5	9.1
Expense for earnout liability	6.7
Recovery of investment written off		1.4
Corporate debt securities					26.6
Pretax gain on acquisition of SunBelt	181.4
Previous equity percentage in Sunbelt (in hundredths)				50.00%
Asset retirement obligation [Roll Forward]
Beginning balance	70.5	70.2
Accretion	5.0	5.0
Spending	(7.3)	(9.9)
Currency translation adjustments	(0.2)	0.6
Adjustments	(0.1)	4.6
Ending balance	67.9	70.5	70.2
Asset retirement obligation non-current	55.9	56.8
Asset retirement obligation favorable settlement	1.5
Components of other assets [Abstract]
Investments in non-consolidated affiliates	27.6	25.9
Intangible assets (less accumulated amortization of $6.9 million and $5.0 million, respectively)	19.2	15.2
Deferred debt issuance costs	14.2	16.4
Interest rate swaps	13.8	5.3
Other	10.8	9.5
Other assets	85.6	72.3
Accumulated amortization	6.9	5.0
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets									19.0		5.8		1.2
Amortization period (in years)								15		15		5
Amortization expense	1.9	1.5	1.5
Amortization expense expected in year one	1.8
Amortization expense expected in year two	1.7
Amortization expense expected in year three	1.7
Amortization expense expected in year four	1.7
Amortization expense expected in year five	1.7
Black-Sholes assumptions [Abstract]
Dividend yield (in hundredths)	4.32%	4.32%	4.26%
Risk-free interest rate (in hundredths)	3.05%	3.00%	2.32%
Expected volatility (in hundredths)	42.00%	42.00%	40.00%
Expected life (years)	7.0	7.0	7.0
Grant fair value (in dollars per share)	$ 5.48	$ 4.61	$ 3.85
Exercise price (in dollars per share)	$ 18.78	$ 15.68	$ 14.28
Shares granted (in shares)	575,000	803,750	866,250
Options granted vesting period minimum (in years)	one
Options granted vesting period maximum (in years)	three
Restructuring Cost and Reserve [Line Items]
Average remaining life expectancy of the inactive participants in the defined benefit pension plan (in years)	18	19
Restructuring charges	$ 10.7	$ 34.2	$ 0			$ 1.0	$ 6.7
The period used to recognize the difference between the plan's actual return and expected return (in years)	5