Fair Value Measurements (Tables)

9 Months Ended

Nov. 26, 2016

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
November 26, 2016
Cash equivalents
Money market funds	$	10,879	$	—	$	10,879
Commercial paper	—		25,686		25,686
Total cash equivalents	10,879		25,686		36,565
Short-term securities
Mutual funds	30,269		—		30,269
Municipal bonds	—		366		366
Total short-term securities	30,269		366		30,635
Long-term securities
Municipal bonds	—		10,962		10,962
Total assets at fair value	$	41,148	$	37,014	$	78,162
February 27, 2016
Cash equivalents
Money market funds	$	23,199	$	—	$	23,199
Commercial paper	—		29,774		29,774
Total cash equivalents	23,199		29,774		52,973
Short-term securities
Mutual funds	30,123		—		30,123
Municipal bonds	—		50		50
Total short-term securities	30,123		50		30,173
Long-term securities
Municipal bonds	—		12,519		12,519
Total assets at fair value	$	53,322	$	42,343	$	95,665