Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Cash Flows From Operating Activities:
Net income (loss)	$ 1.6	$ (10.3)	$ (7.3)	$ (13.5)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1.4	1.3	2.7	2.7
Non-cash interest expense			0.1	0.1
Stock-based compensation	0.3	0.6	0.6	1.1
Deferred income taxes		11.8		11.0
Goodwill impairment			9.5
Restructuring charges	1.5		1.5
Changes in operating assets and liabilities:
Trade accounts receivable	1.2	(7.5)	(35.0)	(27.7)
Inventories, net	38.8	7.5	30.9	(7.7)
Trade accounts payable	(22.6)	(17.0)	6.1	18.1
Other	2.5	(0.6)	1.2	(3.9)
Cash provided by (used in) continuing operating activities	24.7	(14.2)	10.3	(19.8)
Cash used in discontinued operating activities		(0.1)	(0.1)	(0.2)
Total cash provided by (used in) operating activities	24.7	(14.3)	10.2	(20.0)
Cash Flows From Investing Activities:
Capital expenditures	(0.4)	(0.4)	(0.8)	(0.8)
Total cash used in investing activities	(0.4)	(0.4)	(0.8)	(0.8)
Cash Flows From Financing Activities:
Borrowings (repayments) of debt, net	(22.9)	14.9	(9.8)	21.2
Repurchase of shares to satisfy employee tax withholdings				(0.1)
Total cash provided by (used in) financing activities	(22.9)	14.9	(9.8)	21.1
Net increase (decrease) in cash and equivalents	1.4	0.2	(0.4)	0.3
Cash and equivalents, beginning of period	0.4	0.9	2.2	0.8
Cash and equivalents, end of period	1.8	1.1	1.8	1.1
Supplemental Disclosure of Cash Flow Information:
Interest paid	1.0	1.7	2.2	3.3
Income taxes paid	0.3	0.1	0.4	0.1
Non-cash financing activities:
Assets acquired with debt obligations	$ 0.2	$ 0.1	$ 0.2	$ 0.2