| **Fair Value Measurements Fair Value Measurements (Policies)** | 3 Months Ended                                                                |
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| **Fair Value Measurements [Abstract]**                         |                                                                          |
| Fair Value Transfer, Policy [Policy Text Block]                | The Company's policy is to recognize transfers on the actual date of transfer |

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| - Details**Name:**clc_FairValueMeasurementsAbstract**Namespace Prefix:**clc_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
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| - Definition
Disclosure of accounting policy for determining when transfers between levels are recognized.
+ 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)(3) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258
+ Details**Name:**us-gaap_FairValueTransferPolicyPolicyTextBlock**Namespace Prefix:**us-gaap_**Data Type:**nonnum:textBlockItemType**Balance Type:**na**Period Type:**duration |