CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Cash flows from operating activities:
Net income	$ 1,714.3	$ 896.2	$ 282.4
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	611.2	637.5	487.6
Provision for deferred income taxes	(473.5)	(124.1)	25.6
Stock-based compensation expense	65.7	61.6	53.2
Amortization of debt discount and debt-issuance costs	15.4	55.2	64.7
Receivable impairment	18.5	0.0	0.0
Other non-cash adjustments to net income	10.9	9.4	7.7
Changes in assets and liabilities increasing (decreasing) cash and cash equivalents:
Merchandise inventories	(300.9)	21.9	(87.8)
Prepaids and other current assets	(114.6)	117.2	(63.5)
Accounts payable	54.5	(133.8)	183.9
Income taxes payable	(58.5)	77.1	3.1
Other current liabilities	(22.7)	30.4	(164.1)
Other liabilities	(10.1)	24.7	9.7
Net cash provided by operating activities	1,510.2	1,673.3	802.5
Cash flows from investing activities:
Capital expenditures	(632.2)	(564.7)	(480.5)
Acquisition of Family Dollar, net of common stock issued, equity compensation and cash acquired	0.0	0.0	(6,527.7)
Purchase of restricted cash and investments	0.0	(36.1)	(23.7)
Proceeds from sale of restricted and unrestricted investments	4.0	118.1	53.0
Proceeds from (payments for) fixed asset disposition	0.3	(0.9)	0.5
Net cash used in investing activities	(627.9)	(483.6)	(6,978.4)
Cash flows from financing activities:
Principal payments for long-term debt	(659.1)	(4,036.2)	(5,926.7)
Proceeds from long-term debt, net of discount	0.0	2,962.5	12,130.2
Debt-issuance costs	0.0	(6.1)	(159.8)
Repayments of revolving credit facility	0.0	(140.0)	0.0
Proceeds from revolving credit facility	0.0	140.0	0.0
Proceeds from stock issued pursuant to stock-based compensation plans	35.0	41.5	13.9
Cash paid for taxes on exercises/vesting of stock-based compensation	(27.4)	(22.2)	(21.6)
Tax benefit of exercises/vesting of stock-based compensation	0.0	0.0	12.8
Net cash provided by (used in) financing activities	(651.5)	(1,060.5)	6,048.8
Effect of exchange rate changes on cash and cash equivalents	0.6	1.1	(0.9)
Net increase (decrease) in cash and cash equivalents	231.4	130.3	(128.0)
Cash and cash equivalents at beginning of year	866.4	736.1	864.1
Cash and cash equivalents at end of year	1,097.8	866.4	736.1
Cash paid for:
Interest, net of amounts capitalized	286.5	329.1	487.0
Income taxes	552.4	501.8	138.4
Accrued capital expenditures	45.0	30.3	72.4
Acquisition cost paid in common stock and equity compensation	$ 0.0	$ 0.0	$ 2,290.1