Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended		3 Months Ended																12 Months Ended
	Dec. 31, 2013		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
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Self Insurance Reserve, Noncurrent	$ 14.9		$ 14.9								$ 19.6								$ 14.9		$ 19.6
Reserve for discontinued operations (Note 9)	53.2	[1]	53.2	[1]							44.4	[1]							53.2	[1]	44.4	[1]
Period of transitional services (in Months)	18 months
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenue																			328.8		338.4		341.6
Income from discontinued operations before income taxes																			24.2	[2]	25.5	[2]	23.4	[2]
Provision for income taxes																			9.4		13.7		11.5
Discontinued operations of FMC Peroxygens, net of income taxes, before divestiture related costs																			14.8	[3]	11.8	[3]	11.9	[3]
Divestiture related costs of discontinued operations of FMC Peroxygens, net of income taxes																			(3.8)		0		0
Adjustment to assets held for sale, net of income taxes																			(122.1)	[4]	0	[4]	0	[4]
Total Discontinued operations of FMC Peroxygens, net of income taxes			(101.0)	[5]	(56.6)	[5]	1.5	[5]	(3.2)	[5]	(2.8)	[5]	(11.2)	[5]	(8.0)	[5]	(5.5)	[5]	(159.3)		(27.5)		(38.1)
Interest expense allocated to FMC Peroxygens discontinued operations																			4.7		4.5		3.9
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Current assets of discontinued operations held for sale (primarily trade receivables and inventories)	198.3		198.3								92.4								198.3		92.4
Noncurrent assets of discontinued operations held for sale	0		0								244.2								0		244.2
Total Assets	198.3	[6],[7]	198.3	[6],[7]							336.6	[6],[7]							198.3	[6],[7]	336.6	[6],[7]	307.6	[6],[7]
Current liabilities of discontinued operations held for sale	48.2		48.2								54.1								48.2		54.1
Liabilities of Disposal Group, Including Discontinued Operation, Noncurrent	0		0								3.3								0		3.3
Tax effect of workers' compensation, product liability and other postretirement benefits																			(0.3)		0.2		(0.3)
Tax effect of provision for environmental																			14.2		7.8		9.6
Tax effect of provision for legal expenses																			5.5		10.6		10.3
Tax effect of Restructuring Activities																			0.5		1.5		7.9
Tax effect of Peroxygens Segment Operations																			25.1		(13.7)		(11.5)
Insurance recovery																			13.9
Net pretax actuarial gain and prior service credit	7.9		7.9								11.3								7.9		11.3
After-tax actuarial gain and prior service credit	3.9		3.9								7.1								3.9		7.1
Estimated pre-tax actuarial gain to be recognized in the next fiscal year																			1.5
Estimated prior service credit to be recognized in the next fiscal year																			0.1
Payments of other discontinued reserves																			18.7		42.1		120.3
Workers' Compensation and Product Liability Reserve [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Self Insurance Reserve, Noncurrent	6.7		6.7								4.9								6.7		4.9
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Payments of other discontinued reserves																			0.9		1.0		1.3
Other Postretirement Medical and Life Insurance Benefits Reserves [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Postretirement Defined Benefit Plan, Liabilities	9.6		9.6								8.3								9.6		8.3
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Payments of other discontinued reserves																			0.9		0.7		1.0
Legal Proceeding Reserve [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss Contingency Accrual, at Carrying Value	36.9		36.9								31.2								36.9		31.2
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Payments of other discontinued reserves																			8.8		24.6		20.9
Discontinued workers' compensation, product liability and other postretirement benefits [Member]
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Total Discontinued operations of FMC Peroxygens, net of income taxes																			0.6		(0.3)		0.7
Discontinued Environmental Liabilities [Member]
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Total Discontinued operations of FMC Peroxygens, net of income taxes																			(23.1)	[8]	(12.6)	[8]	(15.8)	[8]
Discontinued Legal Expenses [Member]
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Total Discontinued operations of FMC Peroxygens, net of income taxes																			(9.0)	[9]	(17.3)	[9]	(16.7)	[9]
Discontinued restructuring charges [Member]
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Total Discontinued operations of FMC Peroxygens, net of income taxes																			(16.7)	[10]	(9.1)	[10]	(18.2)	[10]
FMC Peroxygens [Member]
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Total Discontinued operations of FMC Peroxygens, net of income taxes																			(111.1)		11.8		11.9
Impairment charge	156.7		156.7																156.7
Impairment charge, after tax	122.1		122.1																122.1
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Current assets of discontinued operations held for sale (primarily trade receivables and inventories)	94.8		94.8								92.4								94.8		92.4
Property, plant & equipment	61.1		61.1								180.0								61.1		180.0
Goodwill	0		0								16.9								0		16.9
Intangible assets, net	2.7		2.7								9.9								2.7		9.9
Other non-current assets	39.7		39.7								37.4								39.7		37.4
Noncurrent assets of discontinued operations held for sale	103.5	[11]	103.5	[11]							244.2	[11]							103.5	[11]	244.2	[11]
Total Assets	198.3		198.3								336.6								198.3		336.6
Current liabilities of discontinued operations held for sale	43.0		43.0								54.1								43.0		54.1
Liabilities of Disposal Group, Including Discontinued Operation, Noncurrent	5.2		5.2								3.3								5.2		3.3
Total Liabilities	48.2		48.2								57.4								48.2		57.4
Net Assets	$ 150.1	[12]	$ 150.1	[12]							$ 279.2	[12]							$ 150.1	[12]	$ 279.2	[12]

[1] Included in “Other long-term liabilities” on the consolidated balance sheets. Also refer to Note 7 for discontinued restructuring reserves and Note 10 for discontinued environmental reserves.

[2] Includes allocated interest expense $4.7 million, $4.5 million and $3.9 million for the years ended ended December 31, 2013, 2012 and 2011. Interest was allocated in accordance with relevant discontinued operations accounting guidance.

[3] In accordance with the held for sale accounting criteria effective July 2013 we stopped amortizing and depreciating all assets classified as held for sale.

[4] Assets held for sale be reported at the lower of carrying value or fair value less costs to sell. During the year ended December 31, 2013 we recorded an impairment charge of $156.7 million ($122.1 million after tax) to adjust the carrying value based on our evaluation.

[5] In the third and fourth quarter of 2013, our discontinued operations included impairment charges of $65.0 million ($50.8 million after-tax) and $91.7 million ($71.3 million after-tax), respectively associated with the sale of our FMC Peroxygens segment (See Note 9).

[6] We view operating capital employed, which consists of assets, net of liabilities, reported by our operations and excluding corporate items such as cash equivalents, debt, pension liabilities, income taxes and LIFO reserves, as our primary measure of segment capital.

[7] Segment assets are assets recorded and reported by the segments and are equal to segment operating capital employed plus segment liabilities. See Note 1.

[8] See a roll forward of our environmental reserves as well as discussion on significant environmental issues that occurred during the year in Note 10.

[9] Includes a gain of $13.9 million in 2013 associated with an insurance recovery related to previously discontinued operations legal matters. No such gain existed in 2012 or 2011.

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

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

[12] Excludes the accumulated net cumulative translation adjustment losses of our foreign FMC Peroxygens operations.