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Short-term and Other Investments
12 Months Ended
Jan. 28, 2017
InvestmentsDebtAndEquitySecuritiesAbstract  
Short-Term and Other Investments

3.  Short-Term Investments:

      At January 28, 2017, the Company’s investment portfolio was primarily invested in governmental debt securities held in managed accounts. These securities are classified as available-for-sale as they are highly liquid and are recorded on the Consolidated Balance Sheets at estimated fair value, with unrealized gains and temporary losses reported net of taxes in Accumulated other comprehensive income.

      The table below reflects gross accumulated unrealized gains (losses) in short-term investments at January 28, 2017 and January 30, 2016 (in thousands):

January 28, 2017January 30, 2016
Debt securitiesDebt securities
issued by various issued by various
states of the Unitedstates of the United
States and politicalCorporateStates and politicalCorporate
subdivisions of debtsubdivisions of debt
the statessecuritiesTotalthe statessecuritiesTotal
Cost basis173,61628,405202,021192,56121,955214,516
Unrealized gains---93940979
Unrealized (loss)(663)(125)(788)---
Estimated fair value$172,953$28,280$201,233$193,500$21,995$215,495

     Accumulated other comprehensive income on the Consolidated Balance Sheets reflects the accumulated unrealized net gains in short-term investments in addition to unrealized gains from equity investments and restricted cash investments. The table below reflects gross accumulated unrealized gains in these investments at January 28, 2017 and January 30, 2016 (in thousands)

January 28, 2017January 30, 2016
DeferredUnrealizedDeferredUnrealized
UnrealizedTaxNet Gain/UnrealizedTaxNet Gain/
Security TypeGain/(Loss)Benefit(Loss)Gain/(Loss)Benefit(Loss)
Short-Term Investments$(789)$294$(495)$978$(368)$610
Equity Investments448(167)281304(114)190
Total$(341)$127$(214)$1,282$(482)$800