Concentration of Risk - Summary of Product Lines Accounted for More than Ten Percent of Net Sales (Details)

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Concentration of Risk - Summary of Product Lines Accounted for More than Ten Percent of Net Sales (Details)	12 Months Ended
	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2012
Skin Care
Concentration Risk [Line Items]
Product lines accounted more than ten percent of net sales	45.90%caw_ProductCategoryNetSalesPercentage / us-gaap_ProductOrServiceAxis = caw_SkinCareMember	44.80%caw_ProductCategoryNetSalesPercentage / us-gaap_ProductOrServiceAxis = caw_SkinCareMember	31.20%caw_ProductCategoryNetSalesPercentage / us-gaap_ProductOrServiceAxis = caw_SkinCareMember
Oral Care
Concentration Risk [Line Items]
Product lines accounted more than ten percent of net sales	32.90%caw_ProductCategoryNetSalesPercentage / us-gaap_ProductOrServiceAxis = caw_OralCareMember	35.30%caw_ProductCategoryNetSalesPercentage / us-gaap_ProductOrServiceAxis = caw_OralCareMember	21.10%caw_ProductCategoryNetSalesPercentage / us-gaap_ProductOrServiceAxis = caw_OralCareMember
Nail Care
Concentration Risk [Line Items]
Product lines accounted more than ten percent of net sales	13.80%caw_ProductCategoryNetSalesPercentage / us-gaap_ProductOrServiceAxis = caw_NailCareMember	14.00%caw_ProductCategoryNetSalesPercentage / us-gaap_ProductOrServiceAxis = caw_NailCareMember	14.50%caw_ProductCategoryNetSalesPercentage / us-gaap_ProductOrServiceAxis = caw_NailCareMember