CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Assets
Cash and cash equivalents	$ 14.8	$ 15.7
Accounts receivable, net	81.9	85.4
Contract assets	23.7	17.7
Inventory	5.7	6.4
Prepaid expenses	6.0	9.6
Assets held for sale	0.6	0.6
Total current assets	132.7	135.4
Property and equipment, net	226.9	226.3
Intangible assets, net	5.8	6.3
Operating leases, right-of-use assets	7.7	9.0
Other assets	0.8	1.0
Total assets	373.9	378.0
Liabilities and Stockholders' Equity
Accounts payable	29.3	31.3
Accrued expenses	27.6	29.6
Other financing liability, current portion	0.7	0.6
Long-term debt, current portion	0.0	0.1
Short-term lease liability	8.2	7.3
Other current liabilities	0.7	0.1
Total current liabilities	66.5	69.0
Long-term lease liability	13.3	14.9
Other financing liability	10.5	11.0
Deferred tax liability	16.0	11.3
Total liabilities	106.3	106.2
Commitments and contingencies (Note 14)
Stockholders' equity
Preferred stock, $0.01 per share; 50,000,000 shares authorized; no shares issued or outstanding as of September 30, 2024 and December 31, 2023	0.0	0.0
Less: Class A Common Stock held in treasury at cost; 3,877,628 treasury shares as of September 30, 2024 and 2,357,328 treasury shares as of December 31, 2023	(38.6)	(23.1)
Retained earnings	37.5	28.4
Additional paid-in capital	268.4	266.2
Total stockholders' equity	267.6	271.8
Total liabilities and stockholders' equity	373.9	378.0
Class A Common Stock
Stockholders' equity
Common stock A and B	0.3	0.3
Class B Common Stock
Stockholders' equity
Common stock A and B	$ 0.0	$ 0.0