CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating activities:
Net income	$ 317.2	$ 246.2
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	164.2	166.7
Deferred income tax (benefit) provision	(4.7)	0.5
Impairment of long-lived assets	2.8	51.7
Gain on sales of property, plant and equipment	(8.4)	(1.1)
Stock-based compensation expense	23.3	17.8
Other	4.9	5.9
Changes in operating assets and liabilities (excluding effect of businesses acquired):
Accounts receivable	(202.6)	(112.0)
Inventories	(235.5)	(95.5)
Prepaid expenses and other assets	12.6	35.2
Accounts payable and other liabilities	124.5	72.2
Net cash provided by operating activities	198.3	387.6
Investing activities:
Purchases of property, plant and equipment	(118.1)	(110.6)
Acquisitions, net of cash acquired	(1.3)	(349.0)
Proceeds from sales of property, plant and equipment	14.0	5.7
Other	5.6	(4.1)
Net cash used in investing activities	(99.8)	(458.0)
Financing activities:
Net short-term debt borrowings (repayments)	3.6	(11.9)
Proceeds from long-term debt borrowings	674.0	1,713.0
Principal payments on long-term debt	(634.5)	(1,525.2)
Debt issuance costs		(6.8)
Dividends and dividend equivalents paid	(99.3)	(89.5)
Exercise of stock options	3.4	31.3
Other	(5.3)	(4.1)
Net cash (used in) provided by financing activities	(58.1)	106.8
Effect of exchange rate changes on cash	7.0	2.6
Increase in cash and cash equivalents	47.4	39.0
Cash and cash equivalents at beginning of year	122.8	104.3
Cash and cash equivalents at end of period	170.2	143.3
Supplemental cash flow information:
Interest paid during the period	44.2	47.0
Income taxes paid during the period, net	$ 135.2	67.2
Non-cash investing and financing activities:
Debt assumed in connection with acquisitions		$ 6.1