Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Mar. 03, 2018	Feb. 25, 2017	Feb. 27, 2016
Cash flows from operating activities:
Net income	$ 11,626,000	$ 30,129,000	$ 39,634,000
Adjustments to reconcile to net cash provided by operating activities:
Depreciation	61,430,000	60,504,000	55,830,000
Stock-based compensation expense	3,809,000	8,228,000	5,065,000
Deferred compensation, net	2,414,000	8,438,000	5,641,000
Deferred income taxes	6,012,000	(19,645,000)	4,617,000
Excess tax benefit from stock-based awards	0	(312,000)	(585,000)
Amortization of deferred gains	(1,072,000)	(1,073,000)	(1,907,000)
Other	3,183,000	9,374,000	2,928,000
Change in cash from:
Inventories	53,536,000	4,883,000	72,984,000
Prepaid expenses and other assets	(17,546,000)	863,000	20,560,000
Accounts payable and other liabilities	(33,829,000)	(5,697,000)	(33,611,000)
Accrued income taxes payable, net of payments	(23,757,000)	20,046,000	(7,109,000)
Net cash provided by operating activities	65,806,000	115,738,000	164,047,000
Cash flows from investing activities:
Capital expenditures	(53,249,000)	(44,181,000)	(51,813,000)
Proceeds from disposition of properties	160,000	74,000	18,000
Proceeds from sale of restricted investments	27,562,000	3,409,000	9,020,000
Purchase of restricted investments	(26,082,000)	(2,375,000)	(8,914,000)
Net cash used in investing activities	(51,609,000)	(43,073,000)	(51,689,000)
Cash flows from financing activities:
Cash dividends	(22,294,000)	(22,501,000)	(23,672,000)
Purchases of treasury stock	(10,000,000)	(10,566,000)	(75,000,000)
Stock purchase plan and other, net	2,307,000	1,329,000	2,886,000
Excess tax benefit from stock-based awards		312,000	585,000
Repayments of long-term debt	(2,000,000)	(2,000,000)	(2,000,000)
Debt issuance costs	(1,291,000)
Borrowings under revolving line of credit	8,000,000	38,000,000	63,000,000
Repayments of borrowings under revolving line of credit	(8,000,000)	(38,000,000)	(63,000,000)
Net cash used in financing activities	(33,278,000)	(33,426,000)	(97,201,000)
Change in cash and cash equivalents	(19,081,000)	39,239,000	15,157,000
Cash and cash equivalents at beginning of period	154,460,000	115,221,000	100,064,000
Cash and cash equivalents at end of period	135,379,000	154,460,000	115,221,000
Supplemental cash flow information:
Interest paid	11,750,000	12,219,000	12,186,000
Income taxes paid, net of refunds	$ 24,388,000	$ 13,077,000	$ 26,219,000