XML 14 R25.htm IDEA: XBRL DOCUMENT v2.4.1.9
Debt (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 11 Months Ended 0 Months Ended
May 02, 2015
Jan. 08, 2014
Jan. 10, 2014
Jan. 31, 2013
Jan. 31, 2015
Credit Agreement          
Debt          
Senior funded debt ratio   2.00chke_DebtInstrumentCovenantSeniorFundedDebtRatio
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
     
Threshold amount of acquisitions, mergers or consolidations in excess of which consent is required to be obtained $ 5,000chke_DebtInstrumentCovenantThresholdAmountOfAcquisitionsMergersOrConsolidation
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
       
Credit Agreement | Minimum          
Debt          
Fixed charge coverage ratio to be maintained 1.2chke_DebtInstrumentCovenantFixedChargeCoverageRatio
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
       
Credit Agreement | Until fiscal quarter ending October 31, 2014          
Debt          
Senior funded debt ratio     2.50chke_DebtInstrumentCovenantSeniorFundedDebtRatio
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ chke_DebtInstrumentCovenantComplianceByPeriodAxis
= chke_DebtInstrumentCovenantCompliancePeriodOneMember
   
Credit Agreement | From the fiscal quarter ending January 31, 2015 until the fiscal quarter ending January 31, 2016          
Debt          
Senior funded debt ratio     2.25chke_DebtInstrumentCovenantSeniorFundedDebtRatio
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ chke_DebtInstrumentCovenantComplianceByPeriodAxis
= chke_DebtInstrumentCovenantCompliancePeriodTwoMember
   
Credit Agreement | Thereafter          
Debt          
Senior funded debt ratio     2.00chke_DebtInstrumentCovenantSeniorFundedDebtRatio
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ chke_DebtInstrumentCovenantComplianceByPeriodAxis
= chke_DebtInstrumentCovenantCompliancePeriodThreeMember
   
Term Note | 2014 Term Note          
Debt          
Principal amount     19,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2014Member
   
Total amount outstanding 14,497us-gaap_LongTermDebt
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2014Member
       
Upfront fee     95us-gaap_DebtInstrumentFeeAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2014Member
   
Term Note | 2013 Term Note          
Debt          
Principal amount       16,600us-gaap_DebtInstrumentFaceAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2013Member
 
Total amount outstanding 8,820us-gaap_LongTermDebt
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2013Member
       
Term Note | Adjusted annual LIBOR | 2014 Term Note | Minimum          
Debt          
Interest rate added to the reference rate (as a percent) 2.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2014Member
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableRateAxis
= chke_DebtInstrumentVariableRateBaseAdjustedLIBORMember
       
Term Note | Adjusted annual LIBOR | 2014 Term Note | Maximum          
Debt          
Interest rate added to the reference rate (as a percent) 3.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2014Member
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableRateAxis
= chke_DebtInstrumentVariableRateBaseAdjustedLIBORMember
       
Term Note | Adjusted annual LIBOR | 2013 Term Note | Minimum          
Debt          
Interest rate added to the reference rate (as a percent) 2.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2013Member
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableRateAxis
= chke_DebtInstrumentVariableRateBaseAdjustedLIBORMember
       
Term Note | Adjusted annual LIBOR | 2013 Term Note | Maximum          
Debt          
Interest rate added to the reference rate (as a percent) 2.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2013Member
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableRateAxis
= chke_DebtInstrumentVariableRateBaseAdjustedLIBORMember
       
Term Note | Prime rate | 2014 Term Note          
Debt          
Interest rate added to the reference rate (as a percent) 0.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2014Member
/ us-gaap_VariableRateAxis
= us-gaap_PrimeRateMember
       
Term Note | Prime rate | 2013 Term Note          
Debt          
Interest rate added to the reference rate (as a percent) 0.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2013Member
/ us-gaap_VariableRateAxis
= us-gaap_PrimeRateMember
       
Term Note | 1 month LIBOR | 2014 Term Note          
Debt          
Interest rate added to the reference rate (as a percent) 2.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2014Member
/ us-gaap_VariableRateAxis
= chke_DebtInstrumentVariableRateBaseOneMonthLIBORMember
       
Term Note | 1 month LIBOR | 2013 Term Note          
Debt          
Interest rate added to the reference rate (as a percent) 2.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
/ us-gaap_DebtInstrumentAxis
= chke_TermNote2013Member
/ us-gaap_VariableRateAxis
= chke_DebtInstrumentVariableRateBaseOneMonthLIBORMember
       
Revolver          
Debt          
Maximum borrowing capacity       2,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
 
Outstanding amount         $ 0us-gaap_LineOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
Revolver | Adjusted annual LIBOR | Minimum          
Debt          
Interest rate added to the reference rate (as a percent) 2.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableRateAxis
= chke_DebtInstrumentVariableRateBaseAdjustedLIBORMember
       
Revolver | Adjusted annual LIBOR | Maximum          
Debt          
Interest rate added to the reference rate (as a percent) 2.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableRateAxis
= chke_DebtInstrumentVariableRateBaseAdjustedLIBORMember
       
Revolver | Prime rate          
Debt          
Interest rate added to the reference rate (as a percent) 0.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_VariableRateAxis
= us-gaap_PrimeRateMember
       
Revolver | 1 month LIBOR          
Debt          
Interest rate added to the reference rate (as a percent) 2.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_VariableRateAxis
= chke_DebtInstrumentVariableRateBaseOneMonthLIBORMember