Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011
OPERATING ACTIVITIES
Net income	$ 49,055	$ 48,624
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	11,513	10,775
Provision For Doubtful Accounts	596	882
Share Based Compensation	1,444	1,302
Excess tax benefits from share-based compensation	(98)	(89)
Loss on disposal of property and equipment	610	415
Changes in operating assets and liabilities which provided (used) cash:
Accounts receivable	(945)	1,200
Merchandise inventories	23,348	26,803
Prepaid and other assets	1,489	(2,437)
Accrued income taxes	4,509	11,373
Accounts payable, accrued expenses and other liabilities	(20,982)	(31,387)
Net cash provided by operating activities	70,539	67,461
INVESTING ACTIVITIES
Capital expenditures	(19,922)	(15,751)
Purchase of short-term investments	(100,289)	(79,623)
Sales of short-term investments	14	25
Change in restricted cash and investments	94,792	71,399
Net cash used in investing activities	(25,405)	(23,950)
FINANCING ACTIVITIES
Dividends paid	(14,027)	(12,243)
Repurchase of common stock	(355)	(2,897)
Proceeds from employee stock purchase plan	259	254
Excess tax benefits from share-based compensation financing activities	98	89
Proceeds From Stock Options Exercised	41	32
Net cash provided used in financing activities	(13,984)	(14,765)
Net increase in cash and cash equivalents	31,150	28,746
Cash and cash equivalents at beginning of period	34,893	48,630
Cash and cash equivalents at end of period	$ 66,043	$ 77,376