Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Feb. 28, 2016	Mar. 01, 2015	Mar. 02, 2014
Cash flows from operating activities:
Net earnings (loss)	$ 18,029,000	$ 20,043,000	$ (42,329,000)
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Depreciation, Depletion and Amortization	3,369,000	3,559,000	3,757,000
Stock-based compensation	1,535,000	1,418,000	1,730,000
(Benefit) provision for deferred income taxes	(11,412,000)	(2,815,000)	63,681,000
Amortization of bond premium	886,000	796,000	1,816,000
Gain on sale of fixed assets	(31,000)	0	(75,000)
Changes in operating assets and liabilities:
Accounts receivable	(1,152,000)	1,138,000	3,087,000
Inventories	4,225,000	(664,000)	(925,000)
Prepaid expenses and other current assets	(131,000)	1,713,000	2,442,000
Other assets and liabilities	620,000	1,490,000	(813,000)
Accounts payable	(727,000)	322,000	(240,000)
Accrued liabilities	(65,000)	866,000	(567,000)
Income taxes payable	(1,198,000)	1,145,000	(1,182,000)
Net cash provided by operating activities	13,948,000	29,011,000	30,382,000
Cash flows from investing activities:
Purchase of property, plant and equipment	(398,000)	$ (430,000)	(1,117,000)
Proceeds from sales of property, plant and equipment	2,057,000		100,000
Purchases of marketable securities	(105,998,000)	$ (100,074,000)	(210,693,000)
Proceeds from sales and maturities of marketable securities	96,322,000	105,985,000	161,035,000
Net cash (used in) provided by investing activities	(8,017,000)	5,481,000	(50,675,000)
Cash flows from financing activities:
Dividends paid	(8,155,000)	(39,646,000)	(60,534,000)
Decrease (increase) in restricted cash	(10,000,000)	25,000,000	(25,000,000)
Proceeds from exercise of stock options	44,000	$ 1,732,000	1,162,000
Proceeds from long-term debt	75,000,000		$ 52,000,000
Payments of long-term debt	(94,000,000)	$ (10,000,000)
Payments for debt issuance costs	(196,000)	(296,000)	$ (164,000)
Purchase of treasury stock	(12,188,000)	(2,738,000)
Net cash used in financing activities	(49,495,000)	(25,948,000)	$ (32,536,000)
(Decrease) increase in cash and cash equivalents before effect of exchange rate changes	(43,564,000)	8,544,000	(52,829,000)
Effect of exchange rate changes on cash and cash equivalents	(217,000)	(156,000)	(138,000)
(Decrease) increase in cash and cash equivalents	(43,781,000)	8,388,000	(52,967,000)
Cash and cash equivalents, beginning of year	141,538,000	133,150,000	186,117,000
Cash and cash equivalents, end of year	$ 97,757,000	$ 141,538,000	$ 133,150,000