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Fair Value Measurements (Tables)
3 Months Ended
Jun. 02, 2018
Fair Value Disclosures [Abstract]  
Financial assets and liabilities measured at fair value
In thousands
Quoted Prices in
Active Markets
(Level 1)
 
Other Observable Inputs (Level 2)
 
Total Fair Value
June 2, 2018
 
 
 
 
 
Cash equivalents
 
 
 
 
 
Money market funds
$
2,179

 
$

 
$
2,179

Short-term securities
 
 
 
 
 
Mutual funds
2,273

 

 
2,273

Municipal and corporate bonds

 
121

 
121

Total short-term securities
2,273

 
121

 
2,394

Long-term securities
 
 
 
 
 
Municipal and corporate bonds

 
12,738

 
12,738

Total assets at fair value
$
4,452

 
$
12,859

 
$
17,311

March 3, 2018
 
 
 
 
 
Cash equivalents
 
 
 
 
 
Money market funds
$
2,901

 
$

 
$
2,901

Commercial paper

 
400

 
400

Total cash equivalents
2,901

 
400

 
3,301

Short-term securities
 
 
 
 
 
Municipal and corporate bonds

 
423

 
423

Long-term securities
 
 
 
 
 
Municipal and corporate bonds

 
8,630

 
8,630

Total assets at fair value
$
2,901

 
$
9,453

 
$
12,354