XML 22 R112.htm IDEA: XBRL DOCUMENT
v2.4.0.8

ENVIRONMENTAL (Details 1) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Accrued liabilities for unasserted claims | $ 2.5 |  |
Maximum period for required site OM and M expense accrual (in years) | 30 |  |
Accrual for environmental loss contingencies [Roll Forward] |  |  |
Beginning balance | 146.5 | 163.3 |
Charges to income | 11.5 | 8.4 | 19.3
Remedial and investigatory spending | (12.4) | (25.5) |
Currency translation adjustments | (1.0) | 0.3 |
Ending balance | 144.6 | 146.5 | 163.3
Reserves for environmental expenditures-noncurrent | 126.6 | 125.5 |
Future environmental expenditures expected to be utilized over the next 5 years | 86.9 |  |
Future environmental expenditures expected to be utilized over the next 6 to 10 years | 17.1 |  |
Future environmental expenditures expected to be utilized beyond 10 years | 40.6 |  |
Number of sites included in the total estimated environmental liability | 71 |  |
Number of USEPA NPL sites | 17 |  |
Number of sites which constituted the largest portion of the environmental liability | 10 |  |
Percentage of environmental liability that the larger sites made up (in hundredths) | 78.00% |  |
Number of sites which constituted the smallest portion of the environmental liability | 61 |  |
Percentage of environmental liability any one of the smallest sites made up, maximum (in hundredths) | 3.00% |  |
Number of largest sites in which part of the site is subject to a remedial investigation and another part is in the long-term OM and M stage | 7 |  |
Number of largest sites in which a remedial investigation is being performed | 2 |  |
Number of largest sites which are in long-term OM and M | 1 |  |
Percentage of environmental liability any one of the largest sites made up., maximum (in hundredths) | 21.00% |  |
Possible additional contingent environmental liabilities | 40 |  |
Minimum [Member] |  |  |
Expected annual environmental-related cash outlay for site investigation and remediation | 15 |  |
Maximum [Member] |  |  |
Expected annual environmental-related cash outlay for site investigation and remediation | $ 35 |  |

X
- Definition The portion of the estimated aggregate undiscounted amount of the accrual for environmental loss contingencies that is expected to be paid beyond year 10 of the balance sheet date. + References No definition available. + Details
Name: | olin_AccrualForEnvironmentalLossContingenciesUndiscountedDueBeyondYearTen
Namespace Prefix: | olin_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The portion of the estimated aggregate undiscounted amount of the accrual for environmental loss contingencies that is expected to be paid within six to ten years of the balance sheet date. + References No definition available. + Details
Name: | olin_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinSixToTenYears
Namespace Prefix: | olin_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The portion of the estimated aggregate undiscounted amount of the accrual for environmental loss contingencies that is expected to be paid within one to five years of the balance sheet date. + References No definition available. + Details
Name: | olin_AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinYearOneToFiveYears
Namespace Prefix: | olin_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date for liabilities accrued to protect the company's interest for unasserted claims. + References No definition available. + Details
Name: | olin_AccruedLiabilitiesUnassertedEnvironmentalClaims
Namespace Prefix: | olin_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of affected sites impacting an environmental liability. + References No definition available. + Details
Name: | olin_EnvironmentalLiabilityNumberOfAffectedSites
Namespace Prefix: | olin_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of larger sites with an environmental liability. + References No definition available. + Details
Name: | olin_EnvironmentalLiabilityNumberOfLargerSites
Namespace Prefix: | olin_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of larger sites with an environmental liability which is in long-term OM and M only. + References No definition available. + Details
Name: | olin_EnvironmentalLiabilityNumberOfLargerSitesInLongTermOmAndM
Namespace Prefix: | olin_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of larger sites with an environmental liability in which a remedial investigation is being performed. + References No definition available. + Details
Name: | olin_EnvironmentalLiabilityNumberOfLargerSitesRemedialInvestigationBeingPerformed
Namespace Prefix: | olin_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of larger sites with an environmental liability which are subject to remedial investigation and long-term OM and M. + References No definition available. + Details
Name: | olin_EnvironmentalLiabilityNumberOfLargerSitesSubjectToRemedialInvestigationAndLongTermOmAndM
Namespace Prefix: | olin_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of smaller sites associated with an environmental liability. + References No definition available. + Details
Name: | olin_EnvironmentalLiabilityNumberOfSmallerSites
Namespace Prefix: | olin_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of sites impacted by an environmental liability that are associated with the United States Environmental Protection Agency National Priority List sites. + References No definition available. + Details
Name: | olin_EnvironmentalLiabilityNumberOfUsepaNplSites
Namespace Prefix: | olin_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum percentage of an environmental liability that any one larger site comprises. + References No definition available. + Details
Name: | olin_EnvironmentalLiabilityPercentageOfLiabilityLargerSitesMaximum
Namespace Prefix: | olin_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of a environmental liability that the larger sites comprise. + References No definition available. + Details
Name: | olin_EnvironmentalLiabilityPercentageOfLiabilityRelatedToLargerSites
Namespace Prefix: | olin_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum percentage of an environmental liability that any one smaller site comprises. + References No definition available. + Details
Name: | olin_EnvironmentalLiabilityPercentageOfLiabilitySmallerSitesMaximum
Namespace Prefix: | olin_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Additional contingent environmental liabilities for which a reserve has been recorded. + References No definition available. + Details
Name: | olin_EnvironmentalPossibleAdditionalContingentEnvironmentalLiabilities
Namespace Prefix: | olin_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Cash outflows expected during the period for environmental remediation activities. + References No definition available. + Details
Name: | olin_Expectedannualenvironmentalrelatedcashoutlayforsiteinvestigationandremediation
Namespace Prefix: | olin_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Maximum period used for accruals for site OM and M expenses. + References No definition available. + Details
Name: | olin_SiteExpensesAccrualRequiredPeriodMaximum
Namespace Prefix: | olin_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 + Details
Name: | us-gaap_AccrualForEnvironmentalLossContingencies
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The Increase or Decrease in the accrual for environmental loss contingencies during the reporting period related to currency translations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q2) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Foreign Currency Translation -URI http://asc.fasb.org/extlink&oid=6513664 + Details
Name: | us-gaap_AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForCurrencyTranslation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The aggregate amount disbursed during the reporting period to settle environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q2) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
Name: | us-gaap_AccrualForEnvironmentalLossContingenciesPayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_AccrualForEnvironmentalLossContingenciesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 24 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 10 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859 + Details
Name: | us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13296-110859 + Details
Name: | us-gaap_EnvironmentalRemediationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration