XML 113 R41.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Pension Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
United Kingdom Plan [Member] |
Defined Benefit Pension Plan |
(in millions) |  | 2014 |  |  | 2013 |  |  | 2012 |
Plan net pension charge/(credit): |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 1.7 |  |  | $ | 1.6 |  |  | $ | 1.6 |
Interest cost on PBO |  |  | 34.7 |  |  |  | 31.3 |  |  |  | 32.2 |
Expected return on plan assets |  |  | (37.2 | ) |  |  | (35.5 | ) |  |  | (34.1 | )
Amortization of prior service credit |  |  | (1.3 | ) |  |  | (1.3 | ) |  |  | (1.3 | )
Amortization of actuarial net losses |  |  | 5.4 |  |  |  | 6.2 |  |  |  | 3.2 |
|  | $ | 3.3 |  |  | $ | 2.3 |  |  | $ | 1.6 |
Plan assumptions at December 31, (%): |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 3.55 |  |  |  | 4.40 |  |  |  | 4.15 |
Inflation rate |  |  | 2.15 |  |  |  | 2.55 |  |  |  | 2.20 |
Rate of return on plan assets – overall on bid-value |  |  | 4.05 |  |  |  | 4.85 |  |  |  | 4.90 |
Rate of return on plan assets – equity securities |  |  | 6.50 |  |  |  | 7.50 |  |  |  | 7.25 |
Rate of return on plan assets – debt securities |  |  | 2.75 |  |  |  | 3.40 |  |  |  | 3.65 |
Plan asset allocation by category (%): |  |  |  |  |  |  |  |  |  |  |  |
Equity securities |  |  | 32 |  |  |  | 35 |  |  |  | 33 |
Debt securities |  |  | 63 |  |  |  | 61 |  |  |  | 61 |
Cash |  |  | 5 |  |  |  | 4 |  |  |  | 6 |
|  |  | 100 |  |  |  | 100 |  |  |  | 100 |
Movements in PBO and Fair Value of Plan Assets | Movements in PBO and fair value of Plan assets are as follows:
(in millions) |  | 2014 |  |  | 2013 |
Change in PBO: |  |  |  |  |  |  |  |
Opening balance |  | $ | 819.8 |  |  | $ | 805.3 |
Interest cost |  |  | 34.7 |  |  |  | 31.3 |
Service cost |  |  | 1.7 |  |  |  | 1.6 |
Benefits paid |  |  | (47.6 | ) |  |  | (39.4 | )
Actuarial losses/(gains) |  |  | 59.3 |  |  |  | 5.9 |
Exchange effect |  |  | (50.8 | ) |  |  | 15.1 |
Closing balance |  | $ | 817.1 |  |  | $ | 819.8 |
Fair value of plan assets: |  |  |  |  |  |  |  |
Opening balance |  | $ | 790.3 |  |  | $ | 768.6 |
Actual benefits paid |  |  | (47.6 | ) |  |  | (39.4 | )
Actual contributions by employer |  |  | 11.4 |  |  |  | 10.8 |
Actual return on assets |  |  | 161.7 |  |  |  | 35.5 |
Exchange effect |  |  | (53.5 | ) |  |  | 14.8 |
Closing balance |  | $ | 862.3 |  |  | $ | 790.3 |
Fair Value of Pension Assets | The fair values of pension assets by level of input were as follows:
(in millions) |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |  |  | Total |
At December 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt securities issued by U.S. government and government agencies |  | $ | 1.1 |  |  | $ |  |  |  | $ |  |  |  | $ | 1.1 |
Debt securities issued by non-U.S. governments and government agencies |  |  | 324.3 |  |  |  |  |  |  |  |  |  |  |  | 324.3 |
Corporate debt securities |  |  | 211.4 |  |  |  |  |  |  |  |  |  |  |  | 211.4 |
Residential mortgage-backed securities |  |  | 0.2 |  |  |  |  |  |  |  |  |  |  |  | 0.2 |
Other asset-backed securities |  |  | 3.1 |  |  |  |  |  |  |  |  |  |  |  | 3.1 |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities held for proprietary investment purposes |  |  | 134.1 |  |  |  |  |  |  |  |  |  |  |  | 134.1 |
Real estate |  |  | 65.6 |  |  |  |  |  |  |  |  |  |  |  | 65.6 |
Other assets |  |  |  |  |  |  | 32.7 |  |  |  | 44.1 |  |  |  | 76.8 |
Total assets at fair value |  |  | 739.8 |  |  |  | 32.7 |  |  |  | 44.1 |  |  |  | 816.6 |
Cash |  |  | 45.7 |  |  |  |  |  |  |  |  |  |  |  | 45.7 |
Total plan assets |  | $ | 785.5 |  |  | $ | 32.7 |  |  | $ | 44.1 |  |  | $ | 862.3 |
At December 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt securities issued by U.S. government and government agencies |  | $ | 1.3 |  |  | $ |  |  |  | $ |  |  |  | $ | 1.3 |
Debt securities issued by non-U.S. governments and government agencies |  |  | 198.7 |  |  |  |  |  |  |  |  |  |  |  | 198.7 |
Corporate debt securities |  |  | 275.5 |  |  |  |  |  |  |  |  |  |  |  | 275.5 |
Residential mortgage-backed securities |  |  | 0.2 |  |  |  |  |  |  |  |  |  |  |  | 0.2 |
Other asset-backed securities |  |  | 3.8 |  |  |  |  |  |  |  |  |  |  |  | 3.8 |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities held for proprietary investment purposes |  |  | 156.7 |  |  |  |  |  |  |  |  |  |  |  | 156.7 |
Real estate |  |  | 61.4 |  |  |  |  |  |  |  |  |  |  |  | 61.4 |
Other assets |  |  |  |  |  |  | 25.3 |  |  |  | 38.3 |  |  |  | 63.6 |
Total assets at fair value |  |  | 697.6 |  |  |  | 25.3 |  |  |  | 38.3 |  |  |  | 761.2 |
Cash |  |  | 29.1 |  |  |  |  |  |  |  |  |  |  |  | 29.1 |
Total plan assets |  | $ | 726.7 |  |  | $ | 25.3 |  |  | $ | 38.3 |  |  | $ | 790.3 |
Reconciliation of Fair Value of Plan Assets | The reconciliation of the fair value of the Plan assets using significant unobservable inputs (Level 3) was as follows:
(in millions) |  | Other Assets |
Balance at December 31, 2012 |  | $ | 31.0 |
Realized/unrealized gains/(losses): |  |  |  |
Relating to assets still held at the reporting date |  |  | 3.5 |
Relating to assets sold during the period |  |  | 0.0 |
Purchases, issuances and settlements |  |  | 3.6 |
Exchange effect |  |  | 0.2 |
Balance at December 31, 2013 |  |  | 38.3 |
Realized/unrealized gains/(losses): |  |  |  |
Relating to assets still held at the reporting date |  |  | 7.3 |
Relating to assets sold during the period |  |  | 0.0 |
Purchases, issuances and settlements |  |  | 0.7 |
Exchange effect |  |  | (2.2 | )
Balance at December 31, 2014 |  | $ | 44.1 |
Plan Net Pension Credit | The projected net pension credit for the year ending December 31, 2015 is as follows:
(in millions) |  |  |
Service cost |  | $ | 1.6 |
Interest cost on PBO |  |  | 28.2 |
Expected return on plan assets |  |  | (34.0 | )
Amortization of prior service credit |  |  | (1.3 | )
Amortization of actuarial net losses |  |  | 5.3 |
|  | $ | (0.2 | )
Expected Benefit Payments | The following benefit payments are expected to be made:
(in millions) |  |  |
2015 |  | $ | 44.9 |
2016 |  | $ | 44.1 |
2017 |  | $ | 44.7 |
2018 |  | $ | 45.2 |
2019 |  | $ | 45.8 |
2020 – 2024 |  | $ | 238.2 |
German Plan [Member] |
Movements in PBO and Fair Value of Plan Assets | Movements in PBO of the German plan are as follows:
(in millions) |  | 2014 |  |  | 2013 |
Change in PBO: |  |  |  |  |  |  |  |
Opening balance |  | $ | 9.6 |  |  | $ | 9.3 |
Service cost |  |  | 0.2 |  |  |  | 0.2 |
Interest cost |  |  | 0.3 |  |  |  | 0.3 |
Amortization of prior service cost/(credit) |  |  | 0.0 |  |  |  | (0.1 | )
Benefits paid |  |  | (0.2 | ) |  |  | (0.2 | )
Actuarial losses/(gains) |  |  | 1.8 |  |  |  | (0.4 | )
Exchange effect |  |  | (1.3 | ) |  |  | 0.5 |
Closing balance |  | $ | 10.4 |  |  | $ | 9.6 |
Unfunded Defined Benefit Pension Plan |
(in millions) |  | 2014 |  |  | 2013 |  |  | 2012 |
German plan net pension charge: |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 0.2 |  |  | $ | 0.2 |  |  | $ | 0.1 |
Interest cost on PBO |  |  | 0.3 |  |  |  | 0.3 |  |  |  | 0.3 |
Amortization of prior service cost/(credit) |  |  | 0.0 |  |  |  | (0.1 | ) |  |  | 0.0 |
Amortization of actuarial net loss/(gain) |  |  | 0.1 |  |  |  | 0.2 |  |  |  | 0.0 |
|  | $ | 0.6 |  |  | $ | 0.6 |  |  | $ | 0.4 |
German plan assumptions at December 31, (%): |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 2.10 |  |  |  | 3.50 |  |  |  | 3.25 |
Inflation rate |  |  | 1.75 |  |  |  | 2.00 |  |  |  | 2.00 |
Rate of increase in compensation levels |  |  | 2.75 |  |  |  | 2.75 |  |  |  | 2.75 |

X
- Definition Defined Benefit Pension Plan Projected Benefit Obligation In Excess Of Fair Value Of Plan Assets Table [Text Block] + References No definition available. + Details
Name: | iosp_DefinedBenefitPensionPlanProjectedBenefitObligationInExcessOfFairValueOfPlanAssetsTableTextBlock
Namespace Prefix: | iosp_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. + 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 (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAssumptionsUsedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=iosp_GermanPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=iosp_UkPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |