Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating activities:
Net income (loss)	$ 86.6	$ (45.1)
Adjustments to reconcile net income (loss) to net cash provided (used) by operating activities:
Depreciation and amortization	169.0	159.6
Impairment charges	37.6	7.0
Amortization of deferred financing fees and debt discount	4.7	7.0
Amortization of pension credit from accumulated other comprehensive loss	0.1	0.1
Loss on sale of business	17.9	0.0
(Gain) loss on sale of property, plant and equipment	(8.3)	1.7
Loss on extinguishment of debt	1.8	0.7
Deferred income taxes	5.2	4.4
Stock-based compensation expense	10.9	21.7
Charge for inventory step-up of acquired inventory	0.0	5.3
Other	2.6	2.1
Changes in operating assets and liabilities:
Trade accounts receivable, net	(126.2)	3.7
Inventories	89.6	72.1
Prepaid expenses and other current assets	(19.2)	20.0
Trade accounts payable	(123.4)	(85.2)
Pensions and other postretirement benefit liabilities	(16.8)	(22.6)
Other, net	(50.5)	(118.3)
Net cash provided by operating activities	81.6	34.2
Investing activities:
Purchases of property, plant and equipment	(82.1)	(72.1)
Purchases of businesses, net of cash acquired	0.0	(1,201.0)
Proceeds from sale of property, plant and equipment	17.7	3.6
(Payments)/proceeds from sale of business	(2.0)	664.3
Other	(7.8)	(1.3)
Net cash used by investing activities	(74.2)	(606.5)
Financing activities:
Proceeds from issuance of long-term debt	0.0	947.0
Payments on long-term debt and finance lease obligations	(196.8)	(465.4)
Net proceeds under revolving credit facilities	137.2	130.6
Short-term financing, net	1.3	(4.4)
Taxes paid related to net share settlements of stock-based compensation awards	(2.0)	(2.8)
Stock option exercises	0.7	5.7
Other	0.7	0.6
Net cash (used) provided by financing activities	(58.9)	611.3
Effect of exchange rate changes on cash and cash equivalents	(5.1)	(26.0)
Net (decrease) increase in cash and cash equivalents	(56.6)	13.0
Cash and cash equivalents at beginning of period	330.3	121.6
Cash and cash equivalents at end of period	273.7	134.6
Cash paid during the period for:
Income taxes	40.9	31.9
Interest, net of capitalized interest	73.1	109.9
Non-cash activities:
Fair value of common stock issued for acquisition of business	0.0	613.8
Additions of property, plant and equipment included in trade accounts payable and other accrued expenses	4.1	7.5
Additions of property, plant and equipment under a finance lease obligation	35.6	8.5
Additions of assets under an operating lease obligation	$ 31.4	$ 9.8