Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities
Net income	$ 93.1	$ 28.7	$ 112.2
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	42.7	46.0	47.6
Impairment of intangible assets	0.0	19.8	0.0
Impairment of tangible assets	0.0	2.0	0.0
Deferred taxes	6.4	(2.5)	(0.8)
Profit on disposal	(1.8)	0.0	0.0
Cash contributions to defined benefit pension plans	0.0	0.0	(0.4)
Non-cash income of defined benefit pension plans	(3.5)	(4.0)	(6.1)
Stock option compensation	4.4	5.8	6.6
Changes in assets and liabilities, net of effects of acquired and divested companies:
Trade and other accounts receivable	(70.3)	74.4	(18.2)
Inventories	(62.0)	25.5	2.4
Prepaid expenses	(3.5)	(1.0)	(3.1)
Accounts payable and accrued liabilities	90.2	(45.9)	23.2
Plant closure provisions	(1.4)	8.5	0.0
Accrued income taxes	(3.2)	(10.3)	(2.4)
Unrecognized tax benefits	0.3	(0.4)	2.5
Other assets and liabilities	1.8	(0.7)	(1.9)
Net cash provided by operating activities	93.2	145.9	161.6
Cash Flows from Investing Activities
Capital expenditures	(39.1)	(29.7)	(29.9)
Proceeds on disposal of property, plant and equipment	2.9	0.0	0.0
Internally developed software	0.0	0.0	(1.1)
Net cash used in investing activities	(36.2)	(29.7)	(31.0)
Cash Flows from Financing Activities
Non-controlling interest	0.1	0.1	0.0
Proceeds from revolving credit facility	0.0	15.0	105.5
Repayments of revolving credit facility	0.0	(75.0)	(171.5)
Repayment of term loans	0.0	0.0	(82.5)
Repayment of finance leases	(0.6)	(1.1)	(1.7)
Refinancing costs	(0.0)	(0.3)	(1.5)
Dividend paid	(28.8)	(25.6)	(25.0)
Issue of treasury stock	10.1	2.2	1.2
Repurchase of common stock	(0.8)	(2.1)	(2.4)
Net cash used in financing activities	(20.0)	(86.8)	(177.9)
Effect of foreign currency exchange rate changes on cash	(0.5)	0.2	(0.1)
Net change in cash and cash equivalents	36.5	29.6	(47.4)
Cash and cash equivalents at beginning of year	105.3	75.7	123.1
Cash and cash equivalents at end of year	$ 141.8	$ 105.3	$ 75.7