Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net loss	$ (29.2)	$ (37.0)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	52.3	42.0
Amortization of right of use asset	3.6	1.0
Stock-based compensation expense	4.8	9.0
Change in fair value of derivative liability		(3.0)
Change in fair value of earnout liability		2.3
Impairment of investment in equity method investee	0.7
Foreign currency translation on senior bank debt	5.6	0.8
Foreign currency translation on cross currency swaps		(3.6)
Reclassification of loss on hedging instrument to comprehensive income	0.9
Non-cash interest expense relating to senior debt	3.4	9.0
Changes in assets and liabilities:
Accounts receivable	(2.9)	3.3
Inventory	1.3	2.0
Prepaid expenses and other assets	8.8	3.3
Corporate tax and other current taxes payable	6.6	(3.6)
Accounts payable	(4.8)	6.9
Deferred revenues and customer prepayment	(5.7)	(9.5)
Accrued expenses	10.9	7.2
Operating lease liabilities	(2.8)	(1.3)
Other long-term liabilities	(0.6)	1.9
Net cash provided by operating activities	52.9	30.7
Cash flows from investing activities:
Purchases of property and equipment	(15.4)	(10.5)
Cash paid for NTG Acquisition		(105.9)
Purchases of capital software	(14.5)	(17.0)
Net cash used in investing activities	(29.9)	(133.4)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		270.6
Proceeds from issuance of revolver		2.8
Repayments of revolver and long-term debt, including exit premium	(4.2)	(144.2)
Payment of financing costs		(15.2)
Debt fees incurred	(3.1)
Repayments of finance leases	(0.9)	(0.5)
Net cash (used in) provided by financing activities	(8.2)	113.5
Effect of exchange rate changes on cash	3.2	2.3
Net increase in cash	18.0	13.1
Cash, beginning of period	29.1	16.0
Cash, end of period	47.1	29.1
Supplemental cash flow disclosures
Cash paid during the period for interest	13.3	12.6
Cash paid during the period for income taxes	0.2
Cash paid during the period for operating leases	3.3	2.2
Supplemental disclosure of noncash investing and financing activities
Additional paid in capital from net settlement of RSUs	(0.7)	(0.9)
Lease liabilities arising from obtaining right of use assets	(6.8)	(9.6)
Adjustment to goodwill arising from adjustment to fair value of assets acquired	(0.2)
Property and equipment acquired through finance lease	1.5
Capitalized interest payments	10.6
Assets arising from asset retirement obligations	1.0
Additional paid in capital reclassified from derivative liability		$ 0.8