Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities
Net income	$ 11.3	$ 3.9
Adjustments to reconcile net income to net cash provided (used in) by operations:
Impairment		0.1
Depreciation and amortization	6.8	6.3
Non-cash stock-based compensation	1.8	0.9
(Reversals) provisions for credit losses on accounts receivable	(0.3)	0.3
Deferred income taxes	1.2	1.4
Other	0.9	1.3
Changes in operating assets and liabilities
Accounts and notes receivable	3.9	8.8
Prepaid expenses and other current assets	18.9	(4.7)
Accounts payable		1.3
Accrued liabilities and other	(18.1)	(20.6)
Net cash provided by (used in) operating activities	26.4	(1.0)
Investing activities
Purchases of leasehold improvements and equipment	(2.3)	(2.3)
Cost of contracts		(0.4)
Proceeds from sale of equipment	0.1	0.1
Net cash used in investing activities	(2.2)	(2.6)
Financing activities
Payments on credit facility revolver	(118.3)	(83.1)
Proceeds from credit facility revolver	108.7	97.4
Payments on credit facility term loan	(4.2)	(2.8)
Payments of debt issuance costs		(1.3)
Payments on other long-term borrowings	(2.3)	(2.1)
Distributions to noncontrolling interest	(0.5)	(0.4)
Net cash (used in) provided by financing activities	(16.6)	7.7
Effect of exchange rate changes on cash and cash equivalents	0.1
Increase in cash and cash equivalents	7.7	4.1
Cash and cash equivalents at beginning of year	15.7	13.9
Cash and cash equivalents at end of period	23.4	18.0
Cash paid (received) during the period for:
Interest	4.5	5.0
Income taxes	$ (20.6)	$ 0.2