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DEBT OBLIGATIONS, (Finance Lease Obligations) (Details) (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2015
Minimum Lease Payments [Abstract]  
2015 $ 1,366us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent
2016 1,366us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears
2017 1,366us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears
2018 1,096us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears
2019 580us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears
Total 5,774us-gaap_CapitalLeasesFutureMinimumPaymentsDue
Less: Interest [Abstract]  
2015 404ssi_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPaymentsDueNextTwelveMonths
2016 311ssi_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPaymentsDueInYearsTwo
2017 207ssi_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPaymentsDueInYearsThree
2018 101ssi_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPaymentsDueInYearsFour
2019 26ssi_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPaymentsDueInYearsFive
Total 1,049us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments
Principal Payments [Abstract]  
2015 962us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2016 1,055us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2017 1,159us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2018 995us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
2019 554us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Total $ 4,725us-gaap_LongTermDebt