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Summary of Significant Accounting Policies Receivables (Details) (USD $)
Jan. 31, 2015
Jan. 31, 2014
Receivables [Abstract]    
Consumer Credit Card Financing Receivables $ 63,904,000tif_ConsumerCreditCardFinancingReceivables $ 59,278,000tif_ConsumerCreditCardFinancingReceivables
Consumer Credit Card Financing Receivables Percentage Current 98.00%tif_ConsumerCreditCardFinancingReceivablesPercentageCurrent 97.00%tif_ConsumerCreditCardFinancingReceivablesPercentageCurrent
Consumer Credit Card Financing Receivable Allowance For Credit Losses 1,000,000tif_ConsumerCreditCardFinancingReceivableAllowanceForCreditLosses 1,000,000tif_ConsumerCreditCardFinancingReceivableAllowanceForCreditLosses
Financing Receivables Gross Current 18,598,000tif_FinancingReceivablesGrossCurrent 14,208,000tif_FinancingReceivablesGrossCurrent
Financing Receivables Gross Non Current $ 40,747,000tif_FinancingReceivablesGrossNonCurrent $ 58,786,000tif_FinancingReceivablesGrossNonCurrent