XML 18 R48.htm IDEA: XBRL DOCUMENT v2.4.1.9
Risk Management And Derivatives (Schedule Of Fair Values Of Derivative Instruments Designated As Hedging Instruments Included Within The Condensed Consolidated Balance Sheet) (Details) (USD $)
In Thousands, unless otherwise specified
May 02, 2015
Jan. 31, 2015
May 03, 2014
Prepaid Expenses and Other Current Assets [Member]      
Derivative [Line Items]      
Asset Derivatives, Fair Value $ 973us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
$ 1,863us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
$ 446us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember
Other Accrued Expenses [Member]      
Derivative [Line Items]      
Liability Derivatives, Fair Value $ 1,032us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cal_OtherAccruedExpensesMember
$ 1,784us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cal_OtherAccruedExpensesMember
$ 364us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_BalanceSheetLocationAxis
= cal_OtherAccruedExpensesMember