Schedule of Other Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Customer prepayments and deposits	$ 3.9	$ 1.6	$ 1.9
Total other liabilities, current	3.9	4.6
Total other liabilities, long-term	3.1	10.9
Other Liabilities [Member]
Customer prepayments and deposits	3.9	1.6
Fair value of hedging instrument		0.9
Total other liabilities, current	3.9	2.5
Asset retirement obligations	1.8	1.8
Other creditors	1.3
Pension liability		9.1
Total other liabilities, long-term	3.1	10.9
Total other liabilities	$ 7.0	$ 13.4