Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net loss	$ (15.7)	$ (4.5)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	18.8	21.7
Stock-based compensation expense	4.4	2.7
Change in fair value of derivative liability	0.1	(1.5)
Change in fair value of earnout liability	2.3	(3.1)
Foreign currency translation on senior bank debt	0.3
Foreign currency translation on cross currency swaps	(0.6)
Non-cash interest expense relating to senior debt	0.9	3.9
Changes in assets and liabilities:
Accounts receivable	0.8	(5.5)
Inventory	(0.5)	(2.1)
Prepaid expenses and other assets	4.5	2.8
Corporate tax and other current taxes payable	(0.5)	(0.8)
Accounts payable	4.4	3.8
Other current liabilities
Deferred revenues and customer prepayment	(2.1)	3.9
Accrued expenses	2.4	(0.7)
Other long-term liabilities	0.2	(2.7)
Net cash provided by operating activities	19.7	17.9
Cash flows from investing activities:
Purchases of property and equipment	(2.0)	(12.0)
Purchases of capital software	(7.8)	(9.3)
Net cash used in investing activities	(9.8)	(21.3)
Cash flows from financing activities:
Repayments of capital leases	(0.3)	(0.3)
Proceeds from issuance of revolver and long-term debt	9.3	3.2
Net cash provided by financing activities	9.0	2.9
Effect of exchange rate changes on cash	(1.2)	(0.3)
Net increase in cash	17.7	(0.8)
Cash, beginning of period	22.5	11.0
Cash, end of period	33.7	10.2
Supplemental cash flow disclosures
Cash paid during the period for interest	8.2	6.2
Cash paid during the period for income taxes
Supplemental disclosure of noncash investing and financing activities
Additional paid in capital reclassified from derivative liability	$ 0.8	$ 2.8