Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 18,355	$ 24,586
Receivables, net	217,461	194,066	[1]
Inventory	37,841	36,854
Income tax receivable	1,233	1,474
Prepaid expenses and other current assets	96,522	26,752
Total current assets	371,412	283,732
Property, plant and equipment, net	164,692	170,309
Operating lease right-of-use assets	65,577	63,869
Intangible assets, net	96,526	103,282
Goodwill	90,604	91,351
Deferred income taxes	5,788	6,790
Other assets, net	11,761	11,642
Total assets	806,360	730,975
Current liabilities:
Accounts payable	46,150	42,148
Current portion of long-term debt and finance lease obligations	473	337
Current portion of operating lease obligations	16,995	17,375
Other accrued liabilities	151,646	73,144
Total current liabilities	215,264	133,004
Long-term debt and finance lease obligations	355,986	312,159
Operating lease obligations	53,712	52,207
Defined benefit pension liability	2,932	5,282
Deferred income taxes	1,235	4,375
Other long-term liabilities	9,326	9,345
Total liabilities	638,455	516,372
Commitments and contingencies
Equity:
Preferred stock, 500,000 shares authorized, none issued	0	0
Common stock, par value $0.30 per share, 60,000,000 shares authorized; 30,979,783 and 30,874,437 shares issued	9,289	9,257
Additional paid-in capital	426,924	422,589
Retained deficit	(241,349)	(189,565)
Accumulated other comprehensive loss	(26,959)	(27,678)
Total equity	167,905	214,603
Total liabilities and equity	$ 806,360	$ 730,975

[1] Includes billed and unbilled amounts, net of allowance for credit losses. See Note 3 for details.