Consolidated Statements of Cash Flows - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015
Cash Flows from Operating Activities
Net income		$ 59.2	$ 88.0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	[1]	28.5	25.7
Adjustment to fair value of contingent consideration		(6.3)	(31.6)
Deferred taxes		0.5	13.9
Excess tax benefit from stock-based payment arrangements		(0.2)	(0.7)
Loss/(profit) on disposal of subsidiary		1.4	(1.6)
Cash contributions to defined benefit pension plans		(0.8)	(7.9)
Non-cash movements on defined benefit pension plans		(4.7)	0.4
Stock option compensation		2.8	2.7
Changes in assets and liabilities, net of effects of acquired and divested companies:
Trade and other accounts receivable		12.3	21.2
Inventories		(1.0)	0.8
Prepaid expenses		(3.0)	4.0
Accounts payable and accrued liabilities		(1.0)	(21.6)
Accrued income taxes		(0.9)	0.8
Plant closure provisions		1.5	1.4
Unrecognized tax benefits		(1.6)	(2.6)
Other non-current assets and liabilities		0.1	(2.3)
Net cash provided by operating activities		86.8	90.6
Cash Flows from Investing Activities
Capital expenditures		(12.2)	(12.0)
Proceeds from disposal of subsidiary		0.0	41.5
Business combinations, net of cash acquired		1.8	0.0
Internally developed software		0.0	(7.0)
Purchase of short-term investments		0.0	(5.3)
Sale of short-term investments		4.7	4.8
Net cash (used in)/provided by investing activities		(5.7)	22.0
Cash Flows from Financing Activities
Non-controlling interest		0.0	0.4
Proceeds from revolving credit facility		28.0	0.0
Repayments of revolving credit facility		(18.0)	(12.0)
Repayments of finance leases and term loans		(0.8)	(0.4)
Receipt of short-term borrowing		0.0	7.6
Payment for acquisition-related contingent consideration		(44.0)	0.0
Excess tax benefit from stock-based payment arrangements		0.2	0.7
Dividend paid		(8.1)	(7.3)
Issue of treasury stock		0.3	1.0
Repurchase of common stock		(8.2)	(15.4)
Net cash used in financing activities		(50.6)	(25.4)
Effect of foreign currency exchange rate changes on cash		(0.3)	(1.1)
Net change in cash and cash equivalents		30.2	86.1
Cash and cash equivalents at beginning of period		136.9	41.6
Cash and cash equivalents at end of period		$ 167.1	$ 127.7

[1] Amortization of deferred finance costs of $0.2 million (2015 - $0.6 million) are included in depreciation and amortization in the cash flow statement but in interest expense in the income statement.