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Fair Value Measurements (Tables)
 3 Months Ended
May. 30, 2015
Fair Value Disclosures [Abstract]  
Financial assets and liabilities measured at fair value
Financial assets measured at fair value on a recurring basis as of May 30, 2015 and February 28, 2015, are summarized below: 
(In thousands)
Quoted Prices in
Active Markets
(Level 1)
 
Other
Observable
Inputs
(Level 2)
 
Total Fair
Value
May 30, 2015
 
 
 
 
 
Cash equivalents
 
 
 
 
 
Money market funds
$
18,363

 
$
—

 
$
18,363

Short-term securities
 
 
 
 
 
Mutual funds
$
29,998

 
$
—

 
$
29,998

Commercial paper
$
—

 
$
5,000

 
$
5,000

Municipal bonds
$
—

 
$
281

 
$
281

Total short-term securities
29,998

 
5,281

 
35,279

Long-term securities
 
 
 
 
 
Mutual funds
$
271

 
$
—

 
$
271

Municipal bonds
$
—

 
$
9,703

 
$
9,703

Total long-term securities
$
271

 
$
9,703

 
$
9,974

Total assets at fair value
$
48,632

 
$
14,984

 
$
63,616

 
 
 
 
 
 
February 28, 2015
 
 
 
 
 
Cash equivalents
 
 
 
 
 
Money market funds
$
34,386

 
$
—

 
$
34,386

Short-term securities
 
 
 
 
 
Municipal bonds
$
—

 
$
327

 
$
327

Long-term securities
 
 
 
 
 
Mutual funds
$
305

 
 
 
$
305

Municipal bonds
$
—

 
$
10,655

 
$
10,655

Total assets at fair value
$
34,691

 
$
10,982

 
$
45,673