Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Cash Flows From Operating Activities:
Net income (loss)	$ (10.3)	$ 0.2	$ (13.5)	$ (0.3)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	1.3	1.3	2.7	2.6
Non-cash interest expense			0.1	0.1
Stock-based compensation	0.6	0.6	1.1	1.2
Deferred income taxes	11.8	0.2	11.0	(0.9)
Changes in operating assets and liabilities:
Trade accounts receivable	(7.5)	(17.7)	(27.7)	(51.7)
Inventories, net	7.5	(8.0)	(7.7)	(35.5)
Trade accounts payable	(17.0)	(12.1)	18.1	17.4
Other	(0.6)	5.7	(3.9)	(2.5)
Cash used in continuing operating activities	(14.2)	(29.8)	(19.8)	(69.6)
Cash used in discontinued operating activities	(0.1)	(0.3)	(0.2)	(0.6)
Total cash used in operating activities	(14.3)	(30.1)	(20.0)	(70.2)
Cash Flows From Investing Activities:
Capital expenditures	(0.4)	(2.3)	(0.8)	(3.9)
Total cash used in investing activities	(0.4)	(2.3)	(0.8)	(3.9)
Cash Flows From Financing Activities:
Borrowings of debt, net	14.9	32.7	21.2	75.8
Repurchase of shares to satisfy employee tax withholdings			(0.1)	(0.4)
Total cash provided by financing activities	14.9	32.7	21.1	75.4
Net increase in cash and equivalents	0.2	0.3	0.3	1.3
Cash and equivalents, beginning of period	0.9	1.3	0.8	0.3
Cash and equivalents, end of period	1.1	1.6	1.1	1.6
Supplemental Disclosure of Cash Flow Information:
Interest paid	1.7	1.6	3.3	2.6
Income taxes paid	0.1	$ 0.1	0.1	0.1
Non-cash financing activities:
Assets acquired with debt obligations	$ 0.1		$ 0.2	$ 0.6