CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jul. 29, 2016	Jul. 31, 2015
Cash flows from operating activities:
Net income	$ 601,642	$ 535,584
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	186,942	174,734
Deferred income taxes	7,159	(32,680)
Noncash share-based compensation	19,488	19,642
Other noncash (gains) and losses	2,081	7,734
Change in operating assets and liabilities:
Merchandise inventories	(191,682)	(246,793)
Prepaid expenses and other current assets	(34,535)	(30,754)
Accounts payable	213,767	133,615
Accrued expenses and other liabilities	15,135	29,237
Income taxes	(26,352)	(4,769)
Other	(311)	(569)
Net cash provided by (used in) operating activities	793,334	584,981
Cash flows from investing activities:
Purchases of property and equipment	(267,812)	(247,051)
Proceeds from sales of property and equipment	2,426	257
Net cash provided by (used in) investing activities	(265,386)	(246,794)
Cash flows from financing activities:
Repayments of long-term obligations	(816)	(50,605)
Borrowings under revolving credit facilities	1,583,000	445,100
Repayments of borrowings under revolving credit facilities	(1,497,000)	(272,100)
Repurchases of common stock	(454,508)	(734,334)
Payments of cash dividends	(142,161)	(131,204)
Other equity and related transactions	10,623	5,658
Net cash provided by (used in) financing activities	(500,862)	(737,485)
Net increase (decrease) in cash and cash equivalents	27,086	(399,298)
Cash and cash equivalents, beginning of period	157,947	579,823
Cash and cash equivalents, end of period	185,033	180,525
Supplemental schedule of non-cash investing and financing activities:
Purchases of property and equipment awaiting processing for payment, included in Accounts payable	$ 44,800	$ 46,427