Unaudited Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net revenue	$ 77.8	$ 97.1	$ 247.1	$ 274.8
Cost of goods sold	53.4	59.1	169.8	164.8
Gross profit	24.4	38.0	77.3	110.0
Selling, general and administrative expenses	26.8	27.1	86.8	70.8
Depreciation and amortization expense	7.8	8.7	24.0	26.1
Other operating expense (income), net	1.5	(0.1)	3.4	2.0
Income (loss) from operations	(11.7)	2.3	(36.9)	11.1
Interest expense	5.3	5.5	15.2	17.1
Foreign currency gain	(1.2)	(1.5)	(4.1)	(3.9)
Other non-operating expense, net	(4.0)	0.0	(4.0)	0.0
Income (loss) before income tax benefit	(11.8)	(1.7)	(44.0)	(2.1)
Income tax benefit	(3.1)	(0.3)	(9.9)	(1.8)
Net income (loss)	$ (8.7)	$ (1.4)	$ (34.1)	$ (0.3)
Earnings Per Share [Abstract]
Basic	$ (0.11)	$ (0.02)	$ (0.42)	$ 0
Diluted	$ (0.11)	$ (0.02)	$ (0.42)	$ 0
Weighted average number of shares outstanding - Class A and C
Basic	81,979,986	81,396,832	81,833,718	77,579,205
Diluted	81,979,986	81,396,832	81,833,718	77,579,205
Other comprehensive income (loss), before tax
Foreign currency translation adjustments	$ (9.8)	$ (4.9)	$ (24.3)	$ (11.1)
Interest rate swap adjustments	3.3	0.8	14.1	4.0
Cross currency swap adjustments	2.7	1.4	7.0	1.4
Total other comprehensive loss, before tax	(3.8)	(2.7)	(3.2)	(5.7)
Provision for income taxes related to other comprehensive loss	1.5	0.5	5.2	1.3
Total other comprehensive loss, net of tax	(5.3)	(3.2)	(8.4)	(7.0)
Comprehensive loss, net of tax	(14.0)	(4.6)	(42.5)	(7.3)
Class A
Net income (loss)	$ (8.4)	$ (1.3)	$ (32.9)	$ (0.3)
Earnings Per Share [Abstract]
Basic	$ (0.11)	$ (0.02)	$ (0.42)	$ 0
Diluted	$ (0.11)	$ (0.02)	$ (0.42)	$ 0
Weighted average number of shares outstanding - Class A and C
Basic	79,058,887	78,475,733	78,912,619	73,512,399
Diluted	79,058,887	78,475,733	78,912,619	73,512,399
Class C
Net income (loss)	$ (0.3)	$ (0.1)	$ (1.2)	$ 0.0
Earnings Per Share [Abstract]
Basic	$ (0.10)	$ (0.03)	$ (0.41)	$ 0
Diluted	$ (0.10)	$ (0.03)	$ (0.41)	$ 0
Weighted average number of shares outstanding - Class A and C
Basic	2,921,099	2,921,099	2,921,099	4,066,806
Diluted	2,921,099	2,921,099	2,921,099	4,066,806
Paper revenue
Revenue	$ 62.6	$ 81.2	$ 199.0	$ 229.5
Machine lease revenue
Revenue	11.7	11.8	36.4	35.0
Other revenue
Revenue	$ 3.5	$ 4.1	$ 11.7	$ 10.3