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Investment Securities (Tables)
9 Months Ended
Dec. 01, 2018
Investments, Debt and Equity Securities [Abstract]  
Investment Securities
The Company's investment securities as of December 1, 2018 and March 3, 2018 are as follows:
 
(in millions)
December 1, 2018
 
March 3, 2018
Available-for-sale securities:
 

 
 

   Long term
$
19.7

 
$
19.4

 
 
 
 
Trading securities:
 

 
 

   Short term
84.7

 
86.3

 
 
 
 
Held-to-maturity securities:
 
 
 
   Short term
153.6

 
291.7

Total investment securities
$
258.0

 
$
397.4