Condensed Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2014	Mar. 02, 2014
Current assets:
Cash and cash equivalents	$ 114,439	$ 133,150	[1]
Marketable securities (Note 3)	170,746	137,206	[1]
Accounts receivable, less allowance for doubtful accounts of $409 and $416, respectively	22,869	22,881	[1]
Inventories (Note 4)	15,157	13,871	[1]
Prepaid expenses and other current assets	4,147	4,132	[1]
Total current assets	327,358	311,240	[1]
Property, plant and equipment, net	28,129	29,674	[1]
Goodwill and other intangible assets	9,847	9,847	[1]
Restricted cash (Note 5)	25,000	25,000	[1]
Other assets	1,316	1,332	[1]
Total assets	391,650	377,093	[1]
Current liabilities:
Current portion of long-term debt (Note 5)	15,000	10,000	[1]
Accounts payable	7,924	6,109	[1]
Accrued liabilities	6,397	5,139	[1]
Income taxes payable	3,360	2,995	[1]
Total current liabilities	32,681	24,243	[1]
Long-term debt (Note 5)	89,000	94,000	[1]
Deferred income taxes	58,124	58,124	[1]
Other liabilities	183	183	[1]
Total liabilities	179,988	176,550	[1]
Commitments and contingencies (Note 11)			[1]
Shareholders' equity:
Common stock	2,095	2,088	[1]
Additional paid-in capital	163,856	161,677	[1]
Retained earnings	44,643	35,651	[1]
Accumulated other comprehensive income	1,162	1,221	[1]
	211,756	200,637	[1]
Less treasury stock, at cost	(94)	(94)	[1]
Total shareholders' equity	211,662	200,543	[1]
Total liabilities and shareholders' equity	$ 391,650	$ 377,093	[1]

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