Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Oct. 27, 2012	Oct. 29, 2011
OPERATING ACTIVITIES
Net income	$ 53,724	$ 54,729
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	16,859	16,096
Provision For Doubtful Accounts	1,004	1,263
Share Based Compensation	2,111	1,948
Excess tax benefits from share-based compensation	(146)	(128)
Loss on disposal of property and equipment	806	473
Changes in operating assets and liabilities which provided (used) cash:
Accounts receivable	(770)	414
Merchandise inventories	(444)	16,781
Prepaid and other assets	1,678	289
Accrued income taxes	(4,999)	4,905
Accounts payable, accrued expenses and other liabilities	(2,417)	(28,798)
Net cash provided by operating activities	67,406	67,972
INVESTING ACTIVITIES
Capital expenditures	(30,966)	(26,608)
Purchase of short-term investments	(104,497)	(105,837)
Sales of short-term investments	(674)	(499)
Change in restricted cash and investments	107,964	81,855
Net cash used in investing activities	(28,173)	(51,089)
FINANCING ACTIVITIES
Dividends paid	(21,346)	(19,008)
Repurchase of common stock	(361)	(10,599)
Proceeds from employee stock purchase plan	463	444
Excess tax benefits from share-based compensation financing activities	146	128
Proceeds From Stock Options Exercised	47	32
Net cash provided used in financing activities	(21,051)	(29,003)
Net increase in cash and cash equivalents	18,182	(12,120)
Cash and cash equivalents at beginning of period	34,893	48,630
Cash and cash equivalents at end of period	$ 53,075	$ 36,510