Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	3 Months Ended
	Apr. 30, 2011	May 01, 2010
Operating activities:
Net income	$ 52,471	$ 55,898
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	19,304	18,275
Deferred income taxes	(5,140)	9,049
Loss on disposition of equipment	155	20
Non-cash share-based compensation expense	6,831	7,762
Pension expense, net of contributions	282	961
Change in assets and liabilities:
Inventories	(22,719)	(13,889)
Accounts payable	69,607	49,982
Current income taxes	5,787	(11,049)
Other current assets	(380)	(5,412)
Other current liabilities	(6,577)	(6,256)
Other assets	(2,441)	(4,355)
Other liabilities	8,365	6,775
Net cash provided by operating activities	125,545	107,761
Investing activities:
Capital expenditures	(19,197)	(11,484)
Cash proceeds from sale of property and equipment	100	66
Other	(2)	(9)
Net cash used in investing activities	(19,099)	(11,427)
Financing activities:
Payment of capital lease obligations	(599)	(646)
Proceeds from the exercise of stock options	3,469	27,244
Excess tax benefit from share-based awards	1,546	12,850
Payment for treasury shares acquired	(4,626)	(158,629)
Other	120	62
Net cash used in financing activities	(90)	(119,119)
Increase (decrease) in cash and cash equivalents	106,356	(22,785)
Cash and cash equivalents:
Beginning of period	177,539	283,733
End of period	283,895	260,948
Supplemental disclosure of cash flow information:
Cash paid for interest, including capital leases	36	41
Cash paid for income taxes, excluding impact of refunds	31,269	22,922
Non-cash activity:
Assets acquired under capital leases	130	0
Accrued property and equipment	$ 8,060	$ 8,227