Condensed Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2014	Mar. 02, 2014
Current assets:
Cash and cash equivalents	$ 150,256	$ 133,150	[1]
Marketable securities (Note 3)	135,051	137,206	[1]
Accounts receivable, less allowance for doubtful accounts of $400 and $416, respectively	20,975	22,881	[1]
Inventories (Note 4)	14,197	13,871	[1]
Prepaid expenses and other current assets	3,105	4,132	[1]
Total current assets	323,584	311,240	[1]
Property, plant and equipment, net	27,362	29,674	[1]
Goodwill and other intangible assets	9,847	9,847	[1]
Restricted cash (Note 5)	25,000	25,000	[1]
Other assets	3,019	1,332	[1]
Total assets	388,812	377,093	[1]
Current liabilities:
Current portion of long-term debt (Note 5)	17,500	10,000	[1]
Accounts payable	4,622	6,109	[1]
Accrued liabilities	5,686	5,139	[1]
Income taxes payable	4,321	2,995	[1]
Total current liabilities	32,129	24,243	[1]
Long-term debt (Note 5)	86,500	94,000	[1]
Deferred income taxes	58,124	58,124	[1]
Other liabilities	261	183	[1]
Total liabilities	177,014	176,550	[1]
Commitments and contingencies (Note 11)
Shareholders' equity:
Common stock	2,095	2,088	[1]
Additional paid-in capital	164,229	161,677	[1]
Retained earnings	44,579	35,651	[1]
Accumulated other comprehensive income	1,161	1,221	[1]
	212,064	200,637	[1]
Less treasury stock, at cost	(266)	(94)	[1]
Total shareholders' equity	211,798	200,543	[1]
Total liabilities and shareholders' equity	$ 388,812	$ 377,093	[1]

[1] The balance sheet at March 2, 2014 has been derived from the audited financial statements at that date.