UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2016	Mar. 31, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Cash flows from operating activities:
Net loss	$ (10.8)		$ 1.3	$ (22.0)	$ (3.0)	$ (6.8)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Earnings from discontinued operations, net of income taxes				(0.1)	(26.5)
Depreciation and amortization				36.6	24.3
Deferred income taxes				(0.8)	(8.6)
Change in fair value of common stock warrant liability	(1.9)		(3.4)	(2.6)	2.2
Share-based compensation expense included in Corporate and Other				3.0	1.0
Amortization of debt issuance costs				3.7	3.7
Unrealized losses (gains) on derivative financial instruments	0.6		(0.5)	(0.9)	0.8
Foreign exchange gains on intercompany loans	0.0		0.0	(1.0)	0.0
Amortization of inventories and supplies purchase accounting adjustments				0.9	8.5
Other, net				1.7	1.0
Changes in operating assets and liabilities				(28.3)	63.0
Net cash provided by (used in) operating activities of discontinued operations				0.3	(4.7)
Net cash provided by (used in) operating activities				(9.5)	61.7
Cash flows from investing activities:
Acquisition of business, net of cash				0.0	(524.7)
Proceeds from sale of NABCO		$ 3.9		3.9	74.0
Purchases of property and equipment				(18.5)	(18.6)
Other, net				(0.3)	(0.6)
Net cash used in investing activities				(14.9)	(469.9)
Cash flows from financing activities:
Payment of NABCO outstanding debt				0.0	(14.3)
Proceeds from Asset-Based Facility, net of issuance costs				80.5	117.4
Repayments on capital leases and the Asset-Based Facility				(58.7)	(64.2)
Proceeds from issuance of Senior Secured Notes, net of debt issuance costs				0.0	287.1
Proceeds from exercise of common stock options and Warrants				0.0	1.1
Proceeds from issuance of common stock, net of issuance costs				0.1	63.3
Other, net				1.2	0.2
Net cash used in financing activities of discontinued operations				0.0	(0.4)
Net cash provided by financing activities				23.1	390.2
Effect of exchange rate changes on cash and cash equivalents				0.1	0.0
Decrease in cash and cash equivalents				(1.2)	(18.0)
Cash and cash equivalents, beginning of period		$ 35.8		35.8	63.0	63.0
Cash and cash equivalents, end of period	34.6		45.0	34.6	45.0	35.8
Cash and cash equivalents, end of period—continuing operations	34.6		44.9	34.6	44.9	$ 35.7
Cash and cash equivalents, end of period—discontinued operations	$ 0.0		$ 0.1	$ 0.0	$ 0.1