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Investment Securities (Tables)
 12 Months Ended
Mar. 02, 2019
Investments, Debt and Equity Securities [Abstract]  
Investment Securities
The Company’s investment securities as of March 2, 2019 and March 3, 2018 are as follows:
(in millions)
 
March 2, 2019
 
March 3, 2018
Available-for-sale securities:
 
 
 
 
Long term
 
$
19.9

 
$
19.4

 
 
 
 
 
Trading securities:
 
 
 
 
Short term
 
—

 
86.3

 
 
 
 
 
Held-to-maturity securities:
 
 
 
 
Short term
 
485.8

 
291.7

Total investment securities
 
$
505.7

 
$
397.4