XML 101 R60.htm IDEA: XBRL DOCUMENT v2.4.1.9
Long-Term Debt Tex-Mex Long-Term Debt (Narrative) (Details) (Tex Mex [Member], Secured Debt [Member], RRIF Loan Agreement [Member], USD $)
In Millions, unless otherwise specified
 0 Months Ended
Jun. 28, 2005
Tex Mex [Member] | Secured Debt [Member] | RRIF Loan Agreement [Member]
  
Debt Instrument [Line Items]  
Principal amount of debt $ 50.0us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= ksu_RRIFLoanAgreementMember
/ dei_LegalEntityAxis
= ksu_TexMexMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
Debt instrument, stated interest rate 4.29%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= ksu_RRIFLoanAgreementMember
/ dei_LegalEntityAxis
= ksu_TexMexMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
Debt instrument, maturity date Jul. 13, 2030