Unaudited Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net revenue	$ 86.8	$ 90.0	$ 169.3	$ 177.7
Cost of goods sold	58.5	54.3	116.4	105.7
Gross profit	28.3	35.7	52.9	72.0
Selling, general and administrative expenses	30.3	24.6	60.0	43.7
Depreciation and amortization expense	8.0	8.7	16.2	17.4
Other operating expense, net	1.4	1.3	1.9	2.1
Income (loss) from operations	11.4	1.1	25.2	8.8
Interest expense	4.9	6.0	9.9	11.6
Foreign currency (gain) loss	(2.3)	1.2	(2.9)	(2.4)
Income (loss) before income tax benefit	(14.0)	(6.1)	(32.2)	(0.4)
Income tax benefit	2.7	(0.9)	(6.8)	(1.5)
Net income (loss)	$ (11.3)	$ (5.2)	$ (25.4)	$ 1.1
Earnings Per Share [Abstract]
Basic	$ (0.14)	$ (0.07)	$ (0.31)	$ 0.01
Diluted	$ (0.14)	$ (0.07)	$ (0.31)	$ 0.01
Weighted average number of shares outstanding - Class A and C
Basic	81,943,235	77,653,610	81,759,372	75,617,785
Diluted	81,943,235	77,653,610	81,759,372	77,028,319
Other comprehensive income (loss), before tax
Foreign currency translation adjustments	$ (11.7)	$ 2.2	$ (14.5)	$ (6.2)
Interest rate swap adjustments	2.7	0.6	10.8	3.2
Cross currency swap adjustments	4.2	0.0	4.3	0.0
Total other comprehensive income (loss), before tax	(4.8)	2.8	0.6	(3.0)
Provision for income taxes related to other comprehensive income (loss)	1.7	0.2	3.7	0.8
Total other comprehensive income (loss), net of tax	(6.5)	2.6	(3.1)	(3.8)
Comprehensive loss, net of tax	17.8	(2.6)	28.5	(2.7)
Class A
Net income (loss)	$ (10.9)	$ (5.0)	$ (24.5)	$ 1.0
Earnings Per Share [Abstract]
Basic	$ (0.14)	$ (0.07)	$ (0.31)	$ 0.01
Diluted	$ (0.14)	$ (0.07)	$ (0.31)	$ 0.01
Weighted average number of shares outstanding - Class A and C
Basic	79,022,136	74,673,332	78,838,273	70,968,631
Diluted	79,022,136	74,673,332	78,838,273	72,292,288
Class C
Net income (loss)	$ (0.4)	$ (0.2)	$ (0.9)	$ 0.1
Earnings Per Share [Abstract]
Basic	$ (0.14)	$ (0.07)	$ (0.31)	$ 0.02
Diluted	$ (0.14)	$ (0.07)	$ (0.31)	$ 0.02
Weighted average number of shares outstanding - Class A and C
Basic	2,921,099	2,980,278	2,921,099	4,649,154
Diluted	2,921,099	2,980,278	2,921,099	4,736,031
Paper revenue
Revenue	$ 70.2	$ 73.5	$ 136.4	$ 148.3
Machine lease revenue
Revenue	12.5	12.4	24.7	23.2
Other revenue
Revenue	$ 4.1	$ 4.1	$ 8.2	$ 6.2