Unaudited Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net revenue	$ 82.8	$ 77.8	$ 245.9	$ 247.1
Cost of goods sold	51.3	53.4	156.7	169.8
Gross profit	31.5	24.4	89.2	77.3
Selling, general and administrative expenses	20.9	26.8	64.4	86.8
Depreciation and amortization expense	8.1	7.8	24.2	24.0
Other operating expense , net	0.9	1.5	3.5	3.4
Income (Loss) from operations	1.6	(11.7)	(2.9)	(36.9)
Interest expense	6.8	5.3	18.4	15.2
Foreign currency (gain) loss	(0.7)	(1.2)	0.2	(4.1)
Other non-operating income, net	(0.1)	(4.0)	(0.8)	(4.0)
Loss before income tax expense (benefit)	(4.4)	(11.8)	(20.7)	(44.0)
Income tax expense (benefit)	(1.1)	(3.1)	(2.9)	(9.9)
Net loss	$ (3.3)	$ (8.7)	$ (17.8)	$ (34.1)
Earnings Per Share [Abstract]
Basic	$ (0.04)	$ (0.11)	$ (0.22)	$ (0.42)
Diluted	$ (0.04)	$ (0.11)	$ (0.22)	$ (0.42)
Weighted average number of shares outstanding - Class A and C
Basic	82,322,957	81,979,986	82,297,985	81,833,718
Diluted	82,322,957	81,979,986	82,297,985	81,833,718
Other comprehensive income (loss), before tax
Foreign currency translation adjustments	$ (4.6)	$ (9.8)	$ (2.0)	$ (24.3)
Interest rate swap adjustments	(2.2)	3.3	(5.3)	14.1
Cross-currency swap adjustments	2.7	2.7	1.0	7.0
Total other comprehensive income (loss), before tax	(4.1)	(3.8)	(6.3)	(3.2)
Provision (benefit) for income taxes related to other comprehensive income (loss)	0.1	1.5	(1.1)	5.2
Total other comprehensive income (loss), net of tax	(4.2)	(5.3)	(5.2)	(8.4)
Comprehensive loss, net of tax	$ (7.5)	$ (14.0)	$ (23.0)	$ (42.5)
Class A
Earnings Per Share [Abstract]
Basic	$ (0.04)	$ (0.11)	$ (0.22)	$ (0.42)
Diluted	$ (0.04)	$ (0.11)	$ (0.22)	$ (0.42)
Weighted average number of shares outstanding - Class A and C
Basic	79,401,858	79,058,887	79,376,886	78,912,619
Diluted	79,401,858	79,058,887	79,376,886	78,912,619
Class C
Earnings Per Share [Abstract]
Basic	$ (0.03)	$ (0.1)	$ (0.21)	$ (0.41)
Diluted	$ (0.03)	$ (0.1)	$ (0.21)	$ (0.41)
Weighted average number of shares outstanding - Class A and C
Basic	2,921,099	2,921,099	2,921,099	2,921,099
Diluted	2,921,099	2,921,099	2,921,099	2,921,099
Paper revenue
Revenue	$ 64.8	$ 62.6	$ 192.4	$ 199.0
Machine lease revenue
Revenue	13.2	11.7	38.7	36.4
Other revenue
Revenue	$ 4.8	$ 3.5	$ 14.8	$ 11.7