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COMMITMENTS AND CONTINGENT LIABILITIES (Guarantees and Obligations) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012
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COMMITMENTS AND CONTINGENT LIABILITIES [Abstract] |
Guarantees outstanding | $ 1,202

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- Definition Outstanding bank guarantees. + References No definition available. + Details
Name: | cste_DebtInstrumentThirdPartyCreditEnhancementAmount
Namespace Prefix: | cste_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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