Unaudited Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net revenue	$ 81.2	$ 82.5
Cost of goods sold	53.7	57.9
Gross profit	27.5	24.6
Selling, general and administrative expenses	27.2	29.7
Depreciation and amortization expense	8.0	8.2
Other operating expense (income), net	1.2	0.5
Income (loss) from operations	(8.9)	(13.8)
Interest expense	5.7	5.0
Foreign currency (gain) loss	0.2	(0.6)
Other non-operating expense, net	(0.3)	0.0
Income (loss) before income tax benefit	(14.5)	(18.2)
Income tax benefit	(2.1)	(4.1)
Net income (loss)	$ (12.4)	$ (14.1)
Earnings Per Share [Abstract]
Basic	$ (0.15)	$ (0.17)
Diluted	$ (0.15)	$ (0.17)
Weighted average number of shares outstanding - Class A and C
Basic	82,136,793	81,573,467
Diluted	82,136,793	81,573,467
Other comprehensive income (loss), before tax
Foreign currency translation adjustments	$ 3.1	$ (2.8)
Interest rate swap adjustments	(2.1)	8.1
Cross currency swap adjustments	(1.0)	0.1
Total other comprehensive loss, before tax	0.0	5.4
Provision for income taxes related to other comprehensive loss	(0.8)	2.0
Total other comprehensive loss, net of tax	0.8	3.4
Comprehensive loss, net of tax	(11.6)	(10.7)
Class A
Net income (loss)	$ (12.0)	$ (13.6)
Earnings Per Share [Abstract]
Basic	$ (0.15)	$ (0.17)
Diluted	$ (0.15)	$ (0.17)
Weighted average number of shares outstanding - Class A and C
Basic	79,215,694	78,652,368
Diluted	79,215,694	78,652,368
Class C
Net income (loss)	$ (0.4)	$ (0.5)
Earnings Per Share [Abstract]
Basic	$ (0.14)	$ (0.17)
Diluted	$ (0.14)	$ (0.17)
Weighted average number of shares outstanding - Class A and C
Basic	2,921,099	2,921,099
Diluted	2,921,099	2,921,099
Paper revenue
Revenue	$ 64.3	$ 66.2
Machine lease revenue
Revenue	12.8	12.2
Other revenue
Revenue	$ 4.1	$ 4.1