XML 70 R60.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Sale of Product Line - Additional Information (Detail) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Jan. 31, 2015
Sale Of Product Line [Line Items] |  |
Gain from the kits sale | $ 2,862,000 |
J6 Polymers, LLC [Member] |  |
Sale Of Product Line [Line Items] |  |
Gain from the kits sale | $ 2,862,000 |
J6 Polymers, LLC [Member] | Polyurethane Systems Product Lines [Member] |  |
Sale Of Product Line [Line Items] |  |
Sale of product line for cash |  | $ 3,262,000

X
- Definition Gain (loss) on sale of product line. + References No definition available. + Details
Name: | scl_GainLossOnSaleOfProductLine
Namespace Prefix: | scl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sale of product line. + References No definition available. + Details
Name: | scl_SaleOfProductLineLineItems
Namespace Prefix: | scl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
Name: | us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=scl_PolymersLimitedLiabilityCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueProductLineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |