Supplemental Schedule of Cash Flows (Details) (USD $) In Thousands	6 Months Ended
	Jul. 31, 2011	Aug. 01, 2010
Supplemental Cash Flows information
Interest paid	$ 29,103	$ 29,655
Income taxes paid, net of refunds	100,201	109,696
Assets acquired using capital lease obligations	21,028	30,691
Accruals and accounts payable for capital expenditures	18,368	18,805
Dividends declared but unpaid	$ 15,777	$ 14,812