CONDENSED CONSOLIDATED CASH FLOW STATEMENTS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating Activities
Net (loss) income	$ (4.8)	$ 20.0
Depreciation and amortization	28.8	32.1
Stock-based compensation expense	10.2	8.9
Net loss on asset dispositions and impairments	4.9	1.3
Changes in operating assets and liabilities:
Accounts receivable	(10.5)	34.3
Income tax receivable	47.7	(53.1)
Inventories	9.4	(38.5)
Prepaid expenses and other assets	1.1	0.4
Accounts payable	(11.9)	(8.1)
Accrued expenses	(24.4)	30.4
Deferred income taxes and other	(15.3)	(31.3)
Cash Provided by (Used in) Operating Activities	35.2	(3.6)
Investing Activities
Capital expenditures	(16.3)	(15.1)
Acquisition of assets and investments in businesses	0.0	(4.0)
Cash Used in Investing Activities	(16.3)	(19.1)
Financing Activities
Revolving credit facility proceeds	20.0	0.0
Revolving credit facility repayments	(55.0)	0.0
Purchases of treasury stock	(0.6)	(0.4)
Proceeds from the exercise of stock options	6.1	1.4
Payment of contingent consideration liabilities	0.0	(2.7)
Cash Used in Financing Activities	(29.5)	(1.7)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(3.1)	(0.9)
Decrease in Cash and Cash Equivalents	(13.7)	(25.3)
Cash and Cash Equivalents - Beginning of Period	111.5	205.3
Cash and Cash Equivalents - End of Period	$ 97.8	$ 180.0