Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
OPERATING ACTIVITIES
Net income	$ 29.5	$ 32.2	$ 48.7
Adjustments to reconcile net income to net cash provided (used) by operating activities:
Depreciation and amortization	31.5	29.5	28.7
Loss on extinguishment of debt	11.0	0.0	0.0
Litigation settlement gain	(3.3)	0.0	0.0
Share-based compensation	8.6	10.6	7.3
Asset impairment charge	0.0	4.0	0.0
Deferred income taxes	5.6	2.8	2.9
Net impact of U.S. Tax Act	4.2	0.0	0.0
Changes in operating assets and liabilities:
Accounts receivable	(25.1)	13.7	3.8
Inventories	(19.0)	8.6	(15.4)
Prepaid and other current assets	(4.4)	(5.5)	8.7
Accounts payable and accrued expenses	23.8	(8.8)	(36.9)
Litigation settlement payment	(4.0)	0.0	0.0
Other noncurrent liabilities	(4.3)	(8.1)	1.6
Other	(7.4)	(6.1)	(4.7)
Net cash provided by operating activities	46.7	72.9	44.7
INVESTING ACTIVITIES
Purchases of property, plant and equipment	(27.9)	(28.5)	(36.5)
Business acquisitions, net of cash acquired	(39.7)	(23.4)	0.0
Net cash used by investing activities	(67.6)	(51.9)	(36.5)
FINANCING ACTIVITIES
(Payments) proceeds from revolving credit facility, net	(8.1)	(36.2)	7.9
Payments on term loans and other debt	(31.3)	(4.5)	(3.6)
Proceeds from other long-term debt	0.0	34.9	2.3
Proceeds from capital lease facilities, net	1.5		13.8
(Payments) on capital lease facilities, net		(1.2)
Issuance of 6.625% senior notes due 2027	350.0	0.0	0.0
Bank financing costs	(7.6)	0.0	0.0
Redemption of 8.125% senior notes due 2021	(250.0)	0.0	0.0
Premium on early extinguishment of debt	(8.0)	0.0	0.0
Dividends	(6.9)	(6.2)	(6.3)
Share repurchase program	(4.2)	(0.1)	(10.2)
Payments of withholding taxes on share awards	(2.4)	(1.8)	(5.3)
Other	0.7	(2.1)	2.1
Net cash provided (used) by financing activities	33.7	(17.2)	0.7
Effect of exchange rate changes on cash	5.7	(1.5)	(4.9)
Increase in cash and cash equivalents	18.5	2.3	4.0
Cash and cash equivalents at beginning of year	64.3	62.0	58.0
Cash and cash equivalents at end of year	82.8	64.3	62.0
Income taxes paid	11.3	8.7	19.0
Interest paid	$ 29.9	$ 25.9	$ 25.7