Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash Flows From Operating Activities:
Net (loss) income	$ (7.1)	$ 16.3	$ 26.0
Adjustments to reconcile net (loss) income to cash provided by (used in) operations:
Net (income) loss from discontinued operations, net of taxes	0.9	(3.0)	3.4
Depreciation and amortization	4.9	3.9	3.0
Non-cash interest expense	0.3	0.4	0.4
Stock compensation expense	2.2	1.7	1.8
Deferred taxes	2.4	8.8	(19.1)
Gain on disposal of capital assets			(0.4)
Changes in operating assets and liabilities:
Trade accounts receivable	(7.5)	(1.5)	(7.8)
Inventories	(30.9)	(14.6)	1.5
Trade accounts payable	3.8	2.7	4.2
Other	(2.5)	(0.7)	3.2
Cash (used in) provided by continuing operating activities	(33.5)	14.0	16.2
Cash (used in) provided by discontinued operating activities	(4.6)	3.0	0.9
Total cash (used in) provided by operating activities	(38.1)	17.0	17.1
Cash Flows From Investing Activities:
Capital expenditures	(6.1)	(4.1)	(2.8)
Acquisition		(17.3)
Proceeds from disposition of capital assets			2.5
Cash used in investing activities	(6.1)	(21.4)	(0.3)
Cash Flows From Financing Activities:
Payments of revolving credit debt agreement	(146.7)	(198.3)	(183.8)
Borrowings of revolving credit debt agreement	193.5	204.3	169.1
Repayments of other obligations	(1.7)	(1.2)	(1.7)
Payment for taxes related to share settlement of equity awards	(0.9)	(0.4)	(0.6)
Cash provided by (used in) financing activities	44.2	4.4	(17.0)
Net decrease in cash and equivalents			(0.2)
Cash and equivalents, beginning of year	0.3	0.3	0.5
Cash and equivalents, end of year	0.3	0.3	0.3
Supplemental Disclosure of Cash Flow Information:
Interest paid	2.7	1.9	1.8
Income taxes paid	0.5	0.4
Non-cash financing activities:
Assets acquired with debt obligations	2.2	$ 2.0	$ 1.4
Debt issuance costs financed	$ 0.3