Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Significant Accounting Policies [Abstract]
Earnings from joint ventures	$ 2.6	$ 2.5	$ 2.1
Foreign currency transaction gain (loss), operating	1.7	1.9	0.9
Foreign currency transaction gain (loss), non-operating		1.8	2.6
Reserve for environmental liabilities	7.9	7.5
Allowance for doubtful accounts	29.6	30.5
Inventory, Net [Abstract]
Raw materials and supplies	210.7	225.2
Work in process and finished goods	451.2	420.8
Total inventories	661.9	646.0
Depreciation expense	187.6	203.1	191.6
Interest Costs Capitalized	0.1	0.1	0
Capitalized Computer Software, Gross	90
Non-current pension and other post-retirement liability	218.9	243.4
Purchase of common stock, shares	0	5.0	1.5
Value of shares purchased for common stock	0	161.1	45.7
Remaining shares authorized to be repurchased	4.5
Accounting alignment adjustments	$ 2.1