CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income from continuing operations	$ 64.1	$ 50.0	$ 49.5
Adjustments to reconcile income from continuing operations to net cash provided by operating activities:
Depreciation and amortization	4.1	4.1	4.5
Other non-cash (benefit) and asset impairment charges	0.0	(0.8)	1.9
(Benefit) provision for deferred income taxes	(0.5)	1.4	8.4
Provision for credit losses	1.2	1.0	0.7
Compensation expense related to equity compensation plans	4.7	5.4	0.9
Loss on dispositions and abandonment	0.0	0.1	0.0
Changes in operating assets and liabilities:
Accounts receivable	(15.0)	(5.6)	(11.9)
Inventories	(19.7)	(5.0)	(19.4)
Prepaid expenses and other assets	(2.6)	(0.4)	(2.4)
Income taxes payable (receivable)	3.1	3.7	(5.4)
Accounts payable	10.1	14.6	(6.6)
Accrued expenses, other current liabilities and other liabilities	17.8	1.8	(10.4)
Net cash provided by operating activities from continuing operations	67.3	70.3	9.8
Net cash provided by (used in) operating activities from discontinued operations	0.9	(1.9)	(32.1)
Net cash provided by (used in) operating activities	68.2	68.4	(22.3)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(2.7)	(6.9)	(4.5)
Net cash used in investing activities from continuing operations	(2.7)	(6.9)	(4.5)
Net cash provided by investing activities from discontinued operations	0.0	0.0	249.6
Net cash (used in) provided by investing activities	(2.7)	(6.9)	245.1
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of capital lease obligations	0.0	0.0	(0.1)
Dividends paid	(134.3)	(261.6)	(109.3)
Proceeds from issuance of common stock	3.3	2.1	5.4
Payment of payroll taxes on stock-based compensation through shares withheld	(1.4)	(0.9)	(1.9)
Proceeds from the issuance of common stock from employee stock purchase plans	0.8	0.8	0.0
Purchase of treasury shares	(7.2)	0.0	(9.1)
Net cash used in financing activities	(138.8)	(259.6)	(115.0)
EFFECTS OF EXCHANGE RATES ON CASH	0.1	(0.1)	3.1
NET (DECREASE) INCREASE IN CASH	(73.2)	(198.2)	110.9
CASH AND CASH EQUIVALENTS – BEGINNING OF YEAR	97.2	295.4	184.5
CASH, CASH EQUIVALENTS AND RESTRICTED CASH – END OF YEAR	24.0	97.2	295.4
Supplemental disclosures:
Interest paid	0.2	0.3	0.2
Income taxes paid	17.7	11.3	36.6
Supplemental disclosures of non-cash operating and investing activities:
Operating leases	$ 28.7	$ 16.5	$ 0.0