Consolidated Statements of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash Flows from Operating Activities
Net income		$ 61.8	$ 81.3	$ 119.5
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	[1]	50.4	38.1	35.2
Adjustment to fair value of contingent consideration		0.0	(9.4)	(40.7)
Loss/(profit) on disposal of subsidiary		0.9	1.4	(1.6)
Foreign exchange loss on liquidation of subsidiary		1.8	0.0	0.0
Deferred taxes		(6.7)	0.9	12.0
Cash contributions to defined benefit pension plans		(1.0)	(1.1)	(9.0)
Non-cash (income)/expense of defined benefit pension plans		(3.6)	(6.2)	0.5
Stock option compensation		4.1	3.3	3.7
Changes in assets and liabilities, net of effects of acquired and divested companies:
Trade and other accounts receivable		(83.2)	(6.0)	13.6
Inventories		(30.8)	7.7	5.5
Prepaid expenses		(6.8)	0.5	1.8
Accounts payable and accrued liabilities		48.6	(3.4)	(24.5)
Accrued income taxes		47.5	(2.0)	2.0
Plant closure provisions		3.8	1.9	4.1
Unrecognized tax benefits		(0.5)	(1.6)	(2.3)
Other assets and liabilities		(3.6)	0.1	(1.6)
Net cash provided by operating activities		82.7	105.5	118.2
Cash Flows from Investing Activities
Capital expenditures		(23.3)	(16.5)	(17.6)
Business combinations, net of cash acquired		2.6	(197.4)	0.0
Acquisition of intangible asset		(4.2)	0.0	0.0
Proceeds from disposal of subsidiary		0.0	0.0	41.5
Internally developed software		(4.7)	0.0	(8.6)
Purchase of short-term investments		0.0	0.0	(6.7)
Sale of short-term investments		0.0	4.8	6.4
Net cash (used in)/provided by investing activities		(29.6)	(209.1)	15.0
Cash Flows from Financing Activities
Non-controlling interest		0.0	0.0	0.3
Proceeds from revolving credit facility		10.0	48.0	6.0
Repayments of revolving credit facility		(50.0)	(20.0)	(12.0)
(Payment)/receipt of term loans		(11.0)	110.0	0.0
Repayment of finance leases and term loans		(2.5)	(1.1)	(0.4)
Refinancing costs		0.0	(1.2)	(1.5)
Payment for acquisition-related contingent consideration		0.0	(44.0)	0.0
Dividend paid		(18.6)	(15.9)	(14.9)
Issue of treasury stock		6.8	2.1	1.0
Repurchase of common stock		(1.1)	(8.4)	(15.3)
Net cash (used in) /provided by financing activities		(66.4)	69.5	(36.8)
Effect of foreign currency exchange rate changes on cash		1.6	(0.9)	(1.1)
Net change in cash and cash equivalents		(11.7)	(35.0)	95.3
Cash and cash equivalents at beginning of year		101.9	136.9	41.6
Cash and cash equivalents at end of year		$ 90.2	$ 101.9	$ 136.9

[1] Amortization of deferred finance costs of $0.6 million (2016 - $0.4 million, 2015 - $1.2 million) for the year are included in depreciation and amortization in the cash flow statement but in interest expense in the income statement. Cash payments/receipts in respect of income taxes and interest are disclosed in Note 10 and Note 11, respectively, of the Notes to the Consolidated Financial Statements.