Note 4 - Investment Securities (Details) - Investment Securities - USD ($) $ in Millions	May. 30, 2015	Feb. 28, 2015
Available-for-sale securities:
Long term	$ 47.9	$ 47.9
Trading securities:
Long term	52.6	49.2
Held-to-maturity securities:
Short term	76.9	110.0
Total investment securities	$ 177.4	$ 207.1

No definition available.

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Equity securities categorized neither as held-to-maturity nor trading which are intended be sold more than one year from the balance sheet date or operating cycle, if longer.

+ References

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-Publisher FASB

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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

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-Publisher FASB

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-Topic 210

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Sum of the carrying amounts as of the balance sheet date of all investments.

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