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Financial Instrument, Risk Management and Fair Value Measurements, Fair Value (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011 | Dec. 31, 2011
Liabilities |  |  |  |  |  |  |  |  |  |
Restructuring Charges and Asset Disposals | $ 6.2 |  | $ 12.3 |  | $ 11.6 |  | $ 21.5 |  |  |
Asset Disposal Charges | 0 |  |  |  | 0 |  |  |  | 0.7 |
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down | 0 | [1] | 1.2 | [1] | 1.8 | [1] | 2.9 | [1] |  |
Restructuring reserve, period accrual amount | (6.2) |  | (12.3) |  | (11.6) |  | (21.5) |  |  |
Other Restructuring Activities [Member] |  |  |  |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |  |  |  |
Restructuring Charges and Asset Disposals | 0.2 | [2] | 1.6 | [2] | 4.8 | [2] | 3.8 | [2] |  |
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down | 0 | [1],[2] | 0.6 | [1],[2] | 1.8 | [1],[2] | 0.8 | [1],[2] | 1.6 |
Restructuring reserve, period accrual amount | (0.2) | [2] | (1.6) | [2] | (4.8) | [2] | (3.8) | [2] |  |
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Available-for-sale securities, Common Stock |  |  |  |  |  |  |  |  | 0.1 | [3]
Other | 32.1 | [4] |  |  | 32.1 | [4] |  |  | 20.9 | [4]
Total Assets | 34.0 |  |  |  | 34.0 |  |  |  | 33.4 |
Liabilities |  |  |  |  |  |  |  |  |  |
Business Acquisition, Contingent Consideration, at Fair Value | 1.5 | [5] |  |  | 1.5 | [5] |  |  | 3.5 | [5]
Other | 38.8 | [6] |  |  | 38.8 | [6] |  |  | 31.8 | [6]
Total Liabilities | 45.1 |  |  |  | 45.1 |  |  |  | 53.6 |
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Foreign Exchange Contracts [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Derivatives | 0.7 | [7] |  |  | 0.7 | [7] |  |  | 11.9 | [7]
Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives | 3.6 | [8] |  |  | 3.6 | [8] |  |  | 10.3 | [8]
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Energy Contracts [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Derivatives | 0.5 | [7] |  |  | 0.5 | [7] |  |  | 0.5 | [7]
Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives | 0.7 | [8] |  |  | 0.7 | [8] |  |  | 8.0 | [8]
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | Other Contract [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Derivatives | 0.7 | [7] |  |  | 0.7 | [7] |  |  |  |
Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives | 0.5 | [8] |  |  | 0.5 | [8] |  |  |  |
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active markets for Identical Assets (Level 1) [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Available-for-sale securities, Common Stock |  |  |  |  |  |  |  |  | 0.1 | [3]
Other | 32.1 | [4] |  |  | 32.1 | [4] |  |  | 20.9 | [4]
Total Assets | 32.1 |  |  |  | 32.1 |  |  |  | 21.0 |
Liabilities |  |  |  |  |  |  |  |  |  |
Business Acquisition, Contingent Consideration, at Fair Value | 0 | [5] |  |  | 0 | [5] |  |  | 0 | [5]
Other | 38.8 | [6] |  |  | 38.8 | [6] |  |  | 31.8 | [6]
Total Liabilities | 38.8 |  |  |  | 38.8 |  |  |  | 31.8 |
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active markets for Identical Assets (Level 1) [Member] | Foreign Exchange Contracts [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Derivatives | 0 | [7] |  |  | 0 | [7] |  |  | 0 | [7]
Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives | 0 | [8] |  |  | 0 | [8] |  |  | 0 | [8]
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active markets for Identical Assets (Level 1) [Member] | Energy Contracts [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Derivatives | 0 | [7] |  |  | 0 | [7] |  |  | 0 | [7]
Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives | 0 | [8] |  |  | 0 | [8] |  |  | 0 | [8]
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active markets for Identical Assets (Level 1) [Member] | Other Contract [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Derivatives | 0 | [7] |  |  | 0 | [7] |  |  |  |
Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives | 0 | [8] |  |  | 0 | [8] |  |  |  |
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Available-for-sale securities, Common Stock |  |  |  |  |  |  |  |  | 0 | [3]
Other | 0 | [4] |  |  | 0 | [4] |  |  | 0 | [4]
Total Assets | 1.9 |  |  |  | 1.9 |  |  |  | 12.4 |
Liabilities |  |  |  |  |  |  |  |  |  |
Business Acquisition, Contingent Consideration, at Fair Value | 0 | [5] |  |  | 0 | [5] |  |  | 0 | [5]
Other | 0 | [6] |  |  | 0 | [6] |  |  | 0 | [6]
Total Liabilities | 4.8 |  |  |  | 4.8 |  |  |  | 18.3 |
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Foreign Exchange Contracts [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Derivatives | 0.7 | [7] |  |  | 0.7 | [7] |  |  | 11.9 | [7]
Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives | 3.6 | [8] |  |  | 3.6 | [8] |  |  | 10.3 | [8]
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Energy Contracts [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Derivatives | 0.5 | [7] |  |  | 0.5 | [7] |  |  | 0.5 | [7]
Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives | 0.7 | [8] |  |  | 0.7 | [8] |  |  | 8.0 | [8]
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Other Contract [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Derivatives | 0.7 | [7] |  |  | 0.7 | [7] |  |  |  |
Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives | 0.5 | [8] |  |  | 0.5 | [8] |  |  |  |
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Available-for-sale securities, Common Stock |  |  |  |  |  |  |  |  | 0 | [3]
Other | 0 | [4] |  |  | 0 | [4] |  |  | 0 | [4]
Total Assets | 0 |  |  |  | 0 |  |  |  | 0 |
Liabilities |  |  |  |  |  |  |  |  |  |
Business Acquisition, Contingent Consideration, at Fair Value | 1.5 | [5] |  |  | 1.5 | [5] |  |  | 3.5 | [5]
Other | 0 | [6] |  |  | 0 | [6] |  |  | 0 | [6]
Total Liabilities | 1.5 |  |  |  | 1.5 |  |  |  | 3.5 |
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Foreign Exchange Contracts [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Derivatives | 0 | [7] |  |  | 0 | [7] |  |  | 0 | [7]
Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives | 0 | [8] |  |  | 0 | [8] |  |  | 0 | [8]
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Energy Contracts [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Derivatives | 0 | [7] |  |  | 0 | [7] |  |  | 0 | [7]
Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives | 0 | [8] |  |  | 0 | [8] |  |  | 0 | [8]
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Other Contract [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Derivatives | 0 | [7] |  |  | 0 | [7] |  |  |  |
Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives | 0 | [8] |  |  | 0 | [8] |  |  |  |
Fair Value, Measurements, Nonrecurring [Member] |  |  |  |  |  |  |  |  |  |
Liabilities |  |  |  |  |  |  |  |  |  |
Severance Costs |  |  |  |  |  |  |  |  | 5.5 |
Restructuring Charges and Asset Disposals |  |  |  |  | 1.8 | [9] | (5.7) |  | 16.4 | [10]
Restructuring reserve, period accrual amount |  |  |  |  | (1.8) | [9] | 5.7 |  | (16.4) | [10]
Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Long-lived assets to be abandoned | 0 | [9] |  |  | 0 | [9] |  |  | 2.3 | [10]
Total Assets | 0 |  |  |  | 0 |  |  |  | 2.3 |
Liabilities |  |  |  |  |  |  |  |  |  |
Liabilities associated with exit activities | 5.7 |  |  |  | 5.7 |  |  |  | 5.5 |
Total Liabilities | 5.7 |  |  |  | 5.7 |  |  |  | 5.5 |
Fair Value, Measurements, Nonrecurring [Member] | Quoted Prices in Active markets for Identical Assets (Level 1) [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Long-lived assets to be abandoned | 0 | [9] |  |  | 0 | [9] |  |  | 0 | [10]
Total Assets | 0 |  |  |  | 0 |  |  |  | 0 |
Liabilities |  |  |  |  |  |  |  |  |  |
Liabilities associated with exit activities | 0 |  |  |  | 0 |  |  |  | 0 |
Total Liabilities | 0 |  |  |  | 0 |  |  |  | 0 |
Fair Value, Measurements, Nonrecurring [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Long-lived assets to be abandoned | 0 | [9] |  |  | 0 | [9] |  |  | 0 | [10]
Total Assets | 0 |  |  |  | 0 |  |  |  | 0 |
Liabilities |  |  |  |  |  |  |  |  |  |
Liabilities associated with exit activities | 5.7 |  |  |  | 5.7 |  |  |  | 5.5 |
Total Liabilities | 5.7 |  |  |  | 5.7 |  |  |  | 5.5 |
Fair Value, Measurements, Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |
Long-lived assets to be abandoned | 0 | [9] |  |  | 0 | [9] |  |  | 2.3 | [10]
Total Assets | 0 |  |  |  | 0 |  |  |  | 2.3 |
Liabilities |  |  |  |  |  |  |  |  |  |
Liabilities associated with exit activities | 0 |  |  |  | 0 |  |  |  | 0 |
Total Liabilities | $ 0 |  |  |  | $ 0 |  |  |  | $ 0 |
[1] | Primarily represents accelerated depreciation and impairment charges on plant and equipment, which were or are to be abandoned. Asset disposal charges also included the acceleration effect of re-estimating settlement dates and revised cost estimates associated with asset retirement obligations due to facility shutdowns, see Note 7.
[2] | Represents charges associated with other restructuring activities, which have resulted in severance and asset disposal costs.
[3] | Amounts included in “Investments” in the condensed consolidated balance sheets.
[4] | Consists of a deferred compensation arrangement, through which we hold various investment securities, recognized on our balance sheet. Both the asset and liability are recorded at fair value. Asset amounts included in “Other assets” in the condensed consolidated balance sheets.
[5] | Represents contingent consideration associated with the acquisitions during 2011. See Note 3 for more information. The changes in this Level 3 liability represented payments made against the liability.
[6] | Consists of a deferred compensation arrangement recognized on our balance sheet. Both the asset and liability are recorded at fair value. Liability amounts included in “Other long-term liabilities” in the condensed consolidated balance sheets.
[7] | Amounts included in “Prepaid and other current assets” in the condensed consolidated balance sheets.
[8] | Amounts included in “Accrued and other liabilities” in the condensed consolidated balance sheets.
[9] | We recorded charges to write down the value of certain long-lived assets to be abandoned within our Agricultural Products segment to their salvage value of zero as the majority of these long-lived assets have no future use and are anticipated to be demolished. The loss noted in the above table represents the accelerated depreciation of these assets recorded during the period.
[10] | In connection with the Sodium Percarbonate phase-out, we recorded charges to write down the value of the related long-lived assets to be abandoned to their salvage value of $0.7 million. We also recognized a $1.6 million charge to write down certain other assets to fair value in our Industrial Chemicals segment during the year ended December 31, 2011. The loss noted in the above table represents the accelerated depreciation and write-down of these assets recorded during the period.

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- Definition Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -Clause 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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- Definition The loss (gain) resulting from the write-down of the carrying value of assets classified as a disposal group, but one which is not further classified as a discontinued operation, to fair value less cost to sell. A (gain) results from a subsequent increase in fair value less cost to sell, but not in excess of the cumulative loss previously recognized. For example, the write-down of a disposal group subject to a plan of sale, which was not sold in the current period, to its held-for-sale value. The loss (gain) is included in income from continuing operations before income taxes in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 37 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition This element represents the aggregate of the liabilities reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition The carrying amount on the books of the entity of the asset to be abandoned. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 47 -URI http://asc.fasb.org/extlink&oid=16397438&loc=d3e1794-110224 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 48 -URI http://asc.fasb.org/extlink&oid=16397438&loc=d3e1816-110224 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This element represents the fair value of assets categorized as other which are not in and of themselves material enough to require separate disclosure. + References No definition available. + Details
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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 146 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 95-3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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