Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Income from continuing operations	$ 37.2	$ 32.9
Adjustments to reconcile income from continuing operations to net cash provided by (used in) operating activities:
Depreciation and amortization	3.3	3.5
Provision for returns and doubtful accounts	0.2	1.0
Compensation expense related to equity compensation plans	0.5	1.1
Provision for deferred taxes	0.6	0.5
Gain on disposition and abandonment	0.0	(0.1)
Changes in operating assets and liabilities:
Accounts receivable	(15.8)	(13.1)
Inventories	(3.2)	(2.4)
Prepaid expenses and other current assets	(3.1)	(0.6)
Income taxes payable	4.5	0.3
Accounts payable	(2.7)	8.2
Accrued expenses, other current liabilities and other liabilities	(6.3)	6.7
Net cash provided by operating activities from continuing operations	15.2	38.0
Net cash used in operating activities from discontinued operations	(35.1)	(4.6)
Net cash (used in) provided by operating activities	(19.9)	33.4
Cash flows from investing activities:
Purchases of property, plant and equipment	(2.9)	(1.4)
Proceeds from disposals of property, plant and equipment	0.0	0.1
Net cash used in investing activities from continuing operations	(2.9)	(1.3)
Net cash provided by (used in) investing activities from discontinued operations	249.6	(0.3)
Net cash provided by (used in) investing activities	246.7	(1.6)
Cash flows from financing activities:
Dividends paid	(105.2)	(9.2)
Proceeds from issuance of common stock	4.2	1.6
Payment of payroll taxes on stock-based compensation through shares withheld	(1.4)	(0.3)
Repayments of capital lease obligations	0.0	(0.1)
Repurchase of treasury shares	(9.1)	0.0
Net cash used in financing activities	(111.5)	(8.0)
Effects of exchange rates on cash	3.0	2.5
Net increase in cash	118.3	26.3
Cash – beginning of period	184.5	149.7
Cash – end of period	302.8	176.0
Supplemental disclosures of non-cash investing and financing activities:
Acquisition of equipment through capital leases	$ 0.0	$ 0.3