CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating activities:
Net income	$ 554.5	$ 317.2
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	161.8	164.2
Impairment of long-lived assets	35.5	2.8
Provision for uncollectible accounts	8.4	6.3
Deferred income tax benefit	(9.9)	(4.7)
Gain on sales of property, plant and equipment	(1.2)	(8.4)
Stock-based compensation expense	33.8	23.3
Other	6.8	4.9
Changes in operating assets and liabilities (excluding effect of businesses acquired):
Accounts receivable	(339.6)	(208.9)
Inventories	(352.2)	(235.5)
Prepaid expenses and other assets	9.9	12.6
Accounts payable and other liabilities	125.5	124.5
Net cash provided by operating activities	233.3	198.3
Investing activities:
Purchases of property, plant and equipment	(152.6)	(118.1)
Acquisitions, net of cash acquired	(55.6)	(1.3)
Proceeds from sales of property, plant and equipment	8.8	14.0
Other	10.4	5.6
Net cash used in investing activities	(189.0)	(99.8)
Financing activities:
Net short-term debt (repayments) borrowings	(24.6)	3.6
Proceeds from long-term debt borrowings	941.0	674.0
Principal payments on long-term debt	(752.5)	(634.5)
Dividends and dividend equivalents paid	(110.5)	(99.3)
Exercise of stock options	2.8	3.4
Share repurchases	(130.1)
Other	(9.9)	(5.3)
Net cash used in financing activities	(83.8)	(58.1)
Effect of exchange rate changes on cash and cash equivalents	(2.8)	7.0
(Decrease) increase in cash and cash equivalents	(42.3)	47.4
Cash and cash equivalents at beginning of year	154.4	122.8
Cash and cash equivalents at end of period	112.1	170.2
Supplemental cash flow information:
Interest paid during the period	50.6	44.2
Income taxes paid during the period, net	171.4	$ 135.2
Non-cash investing and financing activities:
Debt assumed in connection with acquisitions	$ 3.3