CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 586,400,000	$ 370,100,000	$ 446,100,000
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	229,000,000	206,900,000	208,500,000
Amortization of gain on sale-leasebacks	(8,400,000)	(8,200,000)	(8,500,000)
Provision for inventories	54,400,000	28,900,000	19,200,000
Deferred income taxes	(21,300,000)	96,800,000	46,100,000
Provision for pension/postretirement benefits	35,700,000	35,000,000	45,400,000
Share-based compensation expense	34,100,000	28,000,000	24,300,000
Loan impairment charges	0	3,000,000	12,600,000
Asset impairment charges	0	10,000,000	25,400,000
Gains on sales of marketable securities	2,300,000	(3,500,000)	0
Changes in assets and liabilities:
Accounts receivable	(30,800,000)	7,000,000	(19,200,000)
Inventories	(270,500,000)	(52,900,000)	54,800,000
Prepaid expenses and other current assets	(11,300,000)	(28,800,000)	33,600,000
Other assets, net	(22,200,000)	(3,700,000)	800,000
Accounts payable and accrued liabilities	53,700,000	98,800,000	(21,700,000)
Income taxes payable	(104,600,000)	149,700,000	(39,300,000)
Merchandise credits and deferred revenue	(1,000,000)	6,200,000	1,500,000
Other long-term liabilities	6,300,000	(11,100,000)	(123,900,000)
Net cash provided by operating activities	531,800,000	932,200,000	705,700,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of marketable securities and short-term investments	(154,100,000)	(598,000,000)	(125,500,000)
Proceeds from sales of marketable securities and short-term investments	394,100,000	351,400,000	109,800,000
Capital expenditures	(282,100,000)	(239,300,000)	(222,800,000)
Other, net	12,200,000	4,800,000	1,700,000
Net cash used in investing activities	(29,900,000)	(481,100,000)	(236,800,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
(Repayment of) proceeds from credit facility borrowings, net	(18,400,000)	(67,800,000)	14,200,000
Proceeds from other credit facility borrowings	49,300,000	39,200,000	76,800,000
Repayment of other credit facility borrowings	(32,000,000)	(96,100,000)	(83,100,000)
Proceeds from the issuance of long-term debt	0	0	98,100,000
Repayment of long-term debt	0	0	(97,100,000)
Repurchase of Common Stock	(421,400,000)	(99,200,000)	(183,600,000)
Proceeds from exercised stock options	23,100,000	54,600,000	15,300,000
Payments related to tax withholding for share-based payment arrangements	(8,600,000)	(8,700,000)	(2,900,000)
Cash dividends on Common Stock	(263,800,000)	(242,600,000)	(218,800,000)
Distribution to non-controlling interest	(300,000)	(500,000)	(3,800,000)
Financing fees	(2,200,000)	0	(1,500,000)
Net cash used in financing activities	(674,300,000)	(421,100,000)	(386,400,000)
Effect of exchange rate changes on cash and cash equivalents	(5,700,000)	12,700,000	1,900,000
Net (decrease) increase in cash and cash equivalents	(178,100,000)	42,700,000	84,400,000
Cash and cash equivalents at beginning of year	970,700,000	928,000,000	843,600,000
Cash and cash equivalents at end of year	$ 792,600,000	$ 970,700,000	$ 928,000,000