XML 99 R83.htm IDEA: XBRL DOCUMENT
v3.21.1

RISK MANAGEMENT AND DERIVATIVES - Net Notional Amount of All Purchase and Sale Contracts of a Foreign Currency (Details) - USD ($) $ in Thousands | Jan. 30, 2021 | Feb. 01, 2020
--- | --- | ---
Foreign Currency Fair Value Hedge Derivative |  |
Net notional amount | $ 0 | $ 7,638
Foreign Exchange Forward, US Dollars |  |
Foreign Currency Fair Value Hedge Derivative |  |
Net notional amount | 0 | 3,963
Foreign Exchange Forward, Euro |  |
Foreign Currency Fair Value Hedge Derivative |  |
Net notional amount | 0 | 1,251
Foreign Exchange Forward, Chinese Yuan |  |
Foreign Currency Fair Value Hedge Derivative |  |
Net notional amount | 0 | 2,355
Foreign Exchange Forward, Other Currencies |  |
Foreign Currency Fair Value Hedge Derivative |  |
Net notional amount | $ 0 | $ 69

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=cal_ForeignExchangeForwardUSDollarsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=cal_ForeignExchangeForwardEuroMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=cal_ForeignExchangeForwardChineseYuanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=cal_ForeignExchangeForwardOtherCurrenciesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |