XML 82 R58.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Derivative Instruments and Risk Management (Details 1) (Designated as Hedging Instrument [Member], USD $) In Millions, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2012
Summary of impact on the income statement of derivatives designated as hedging instruments |
Gain/(Loss) Recognized in OCI on Derivative, net | $ 0.1
Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income, net | 0.2
Commodity contracts [Member] |
Summary of impact on the income statement of derivatives designated as hedging instruments |
Gain/(Loss) Recognized in OCI on Derivative | 0.1
Taxation [Member] |
Summary of impact on the income statement of derivatives designated as hedging instruments |
Gain/(Loss) Recognized in OCI on Derivative, tax | 0
Cost of goods sold [Member] |
Summary of impact on the income statement of derivatives designated as hedging instruments |
Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income | 0.3
Income taxes [Member] |
Summary of impact on the income statement of derivatives designated as hedging instruments |
Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income, tax | $ (0.1)

X
- Definition Amount of gain/(loss) reclassified from accumulated other comprehensive income into income, before tax effects. + References No definition available. + Details
Name: | iosp_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOciIntoIncomeEffectivePortionNetPretax
Namespace Prefix: | iosp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Tax effect of amount of gain/(loss) reclassified from accumulated other comprehensive income into income. + References No definition available. + Details
Name: | iosp_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOciIntoIncomeEffectivePortionNetTax
Namespace Prefix: | iosp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Gain/(loss) recognized in other comprehensive income on derivative, before tax effects. + References No definition available. + Details
Name: | iosp_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNetPretax
Namespace Prefix: | iosp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Tax effect of gain/(loss) recognized in other comprehensive income on derivative. + References No definition available. + Details
Name: | iosp_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNetTax
Namespace Prefix: | iosp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | iosp_SummaryOfImpactOnIncomeStatementOfDerivativesDesignatedAsHedgingInstrumentsAbstract
Namespace Prefix: | iosp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b -Clause 4 -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 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624177-113959 + Details
Name: | us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + 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 Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b -Clause 2 -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
Name: | us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration