v3.6.0.2

Contingencies (Details) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Mar. 07, 2016 USD ($) | Apr. 21, 2014 USD ($) | Dec. 01, 2012 Juror
Loss Contingencies [Line Items] |  |  |
Number of jurors | Juror |  |  | 6
TransWeb [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Litigation settlement |  | $ 26,147 |
Gain (loss) on legal settlement | $ 27,250 |  |

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- Definition Loss Contingency, Number of Jurors + References No definition available. + Details
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Namespace Prefix: | clc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. + References Reference 1: 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 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |