Summarized Quarterly Financial Information (Unaudited) - Summarized Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended	5 Months Ended	7 Months Ended	12 Months Ended
Jun. 30, 2019	Jun. 02, 2019	Dec. 31, 2019	Sep. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Jun. 02, 2019	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 16.3	$ 40.3	$ 77.7	$ 69.1	$ 66.1	$ 76.0	$ 65.1	$ 65.2	$ 61.6	$ 106.4		$ 163.1	$ 267.9	$ 244.1
Cost of sales	13.0	23.2	44.9	39.6	37.9	43.6	37.7	37.1	34.8	61.2		97.4	153.3	131.7
Gross Profit	3.3	17.1	32.8	29.5	28.2	32.4	27.4	28.1	26.8	45.2		65.7	114.6	112.4
Net income (loss) from operations	(5.1)	(8.2)	12.1	1.0	2.2	2.8	1.9	4.4	1.9	(5.9)		8.1	11.0	31.2
Interest expense	8.0	12.1	9.8	9.5	8.1	8.1	8.0	7.8	7.1
Net income (loss)	(12.4)	(15.8)	(3.2)	(1.6)	(3.2)	(4.0)	0.3	1.9	(6.8)	(19.0)	$ (17.2)	(17.2)	(8.6)	27.7
Comprehensive income (loss)	$ (7.6)	$ (16.4)	$ 6.5	$ (12.7)	$ (6.6)	$ (6.0)	$ (0.8)	$ (6.9)	$ (2.3)	$ (23.0)		$ (13.8)	$ (16.0)	$ 49.2
Net income (loss) per share (in usd per share)	$ (0.23)	$ (15,807.96)	$ (0.06)	$ (0.03)	$ (3,186.93)	$ (4,029.72)	$ 279.43	$ 1,859.17	$ (6,806.49)	$ (19,195.40)		$ (0.31)	$ (8,697.61)	$ 27,801.44

Interest and Other Operating Income (Expense)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The aggregate cost of goods produced and sold and services rendered during the reporting period.

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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