Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities
Net income	$ 25.3	$ 18.9
Adjustments to reconcile net income to net cash provided by operating activities:
Lower of cost or market adjustment to inventory	2.5	0.2
Unrealized (gain) loss on derivatives	(0.7)	0.4
Depreciation	6.6	5.3
Amortization of debt issuance costs	1.4	1.3
Share-based compensation expense	1.9	1.6
Excess tax benefit from share-based compensation	(0.1)	(0.2)
Provision for bad debts, net of reductions	0.6	0.0
Deferred income taxes	(2.6)	0.5
Loss on disposal of property, plant and equipment	0.3	0.0
Gain on sale of investment in joint venture	(6.3)	0.0
Equity earnings, net of distributions	0.1	(0.5)
Change in assets and liabilities:
Accounts receivable	(13.3)	(23.8)
Inventories	(9.3)	(1.7)
Prepaid expenses and other current assets	4.8	(2.9)
Accounts payable	23.1	23.6
Accrued liabilities	(6.0)	(6.4)
Income taxes, net	7.4	(2.3)
Other, net		(0.6)
Net cash provided by operating activities	35.7	13.4
Cash flows from investing activities
Capital expenditures	(7.6)	(14.1)
Proceeds from sale of property, plant, and equipment	0.0	0.1
Proceeds from sale of investment in joint venture	8.0	0.0
Net cash provided by (used in) investing activities	0.4	(14.0)
Cash flows from financing activities
Borrowings on ABL Facility	0.6	174.2
Payments on ABL Facility	(0.6)	(163.2)
Principal payments under capital lease obligation	(0.5)	0.0
Dividends paid	(1.6)	(1.6)
Distribution to noncontrolling interest owner	(0.2)	0.0
Proceeds from exercise of stock options	0.1	0.1
Excess tax benefit from share-based compensation	0.1	0.2
Share repurchases	(0.3)	(0.4)
Net cash (used in) provided by financing activities	(2.4)	9.3
Effect of foreign currency exchange rates	0.1	(0.1)
Net increase (decrease) in cash	33.8	8.6
Cash at beginning of period	44.6	10.8
Cash at end of period	78.4	19.4
Noncash investing and financing activities
Purchases of property, plant and equipment not yet paid	2.7	2.9
Acquisition of equipment under capital lease obligation	$ 0.0	$ 6.0