Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from FMC Peroxygens divestiture					$ 199.1	$ 0
Proceeds from Divestiture of Businesses, after tax					193.0
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax					10.1
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax					39.0
Current assets of discontinued operations held for sale	0				0		198.3
Interest Expense Allocated to FMC Peroxygens Discontinued Operations	0		1.2		0.8	2.4
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(12.6)		1.5		(62.7)	(1.7)
Current liabilities of discontinued operations held for sale	0				0		48.2
Discontinued workers' compensation, product liability and other postretirement benefits [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(1.0)		0		(1.1)	0.1
Discontinued Operations, tax effect of workers' compensation, product liability and other postretirement benefits	(0.6)		0		(0.6)	0.1
Discontinued Environmental Liabilities [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(7.5)	[1]	(2.1)	[1]	(12.3)	(4.1)
Discontinued Operations, tax effect of workers' compensation, product liability and other postretirement benefits	(4.4)		(1.2)		(7.1)	(2.5)
Discontinued Legal Expenses [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(3.8)		4.0		(7.6)	0.7
Discontinued Operations, tax effect of workers' compensation, product liability and other postretirement benefits	(2.2)		2.5		(4.5)	0.4
Discontinued restructuring charges [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(0.3)	[2]	(0.5)	[2]	(1.7)	(0.9)
Discontinued Operations, tax effect of workers' compensation, product liability and other postretirement benefits	(0.2)		(0.1)		0.2	0.3
FMC Peroxygens [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets of discontinued operations held for sale							94.8
Revenue	0		83.4		55.5	162.9
Income from discontinued operations before income taxes (1)	0		1.3		(10.7)	5.8
Provision for income taxes	0		1.2		29.3	3.3
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0		0.1		(40.0)	2.5
Discontinued Operations, tax effect of workers' compensation, product liability and other postretirement benefits	0		1.2		(29.3)	(3.3)
Discontinued operations of FMC Peroxygens, net of income taxes, before divestiture related costs (2)	0		0.1		(40.0)	2.5
Property, plant & equipment							61.1
Intangible assets, net							2.7
Noncurrent assets of discontinued operations held for sale							39.7
Noncurrent assets of discontinued operations held for sale							103.5	[3]
Total Assets							198.3
Current liabilities of discontinued operations held for sale							43.0
Noncurrent liabilities of discontinued operations held for sale							5.2	[3]
Total Liabilities							48.2
Net Assets							$ 150.1	[4]

[1] See a roll forward of our environmental reserves as well as discussion on significant environmental issues that occurred during the 2014 in Note 11.

[2] See roll forward of our restructuring reserves in Note 7.

[3] Presented as "Current assets\liabilities of discontinued operations held for sale" on the condensed consolidated balance sheet as of December 31, 2013.

[4] Excludes the net cumulative translation adjustment (CTA) losses of our foreign FMC Peroxygens operations. See Note 14 for the CTA loss recognized upon the divestiture of FMC Peroxygens.