CONDENSED STATEMENTS OF CONSOLIDATED CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
OPERATING ACTIVITIES
Net income	$ 321,700	$ 245,200
Adjustments to reconcile net income to net operating cash:
Depreciation	66,500	64,700
Non-cash lease expense	93,800	90,700
Amortization of intangible assets	78,100	78,800
Loss on extinguishment of debt	21,300
Amortization of credit facility and debt issuance costs	1,900	2,200
Stock-based compensation expense	20,100	23,100
Provisions for environmental-related matters	2,200	600
Defined benefit pension plans net cost	1,900	35,200
Deferred income taxes	9,500	(2,600)
Other	1,100	7,400
Change in working capital accounts - net	(430,100)	(500,400)
Change in operating lease liabilities	(89,100)	(80,600)
Costs incurred for environmental-related matters	(7,900)	(4,600)
Other	(36,100)	4,300
Net operating cash	54,900	(36,000)
INVESTING ACTIVITIES
Capital expenditures	(106,600)	(51,400)
Proceeds from sale of assets	2,300	2,800
Decrease (increase) in other investments	6,400	(23,600)
Net investing cash	(97,900)	(72,200)
FINANCING ACTIVITIES
Net increase in short-term borrowings	849,700	496,200
Proceeds from long-term debt	999,000
Payments of long-term debt	(771,200)
Payments for credit facility and debt issuance costs	(10,000)
Payments of cash dividends	(122,900)	(104,800)
Proceeds from stock options exercised	30,000	24,900
Treasury stock purchased	(890,300)	(305,100)
Proceeds from treasury stock issued	57,400
Other	(26,000)	(59,800)
Net financing cash	115,700	51,400
Effect of exchange rate changes on cash	4,000	(4,300)
Net increase (decrease) in cash and cash equivalents	76,700	(61,100)
Cash and cash equivalents at beginning of year	161,800	155,500
Cash and cash equivalents at end of period	238,500	94,400
Income taxes paid	18,300	16,100
Interest paid	$ 82,700	$ 57,900