Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018		Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 18,288		$ 26,552
Receivables, net of allowance of $15,182 and $11,308	268,352	[1]	301,963
Inventory	48,540		49,703
Income tax receivable	331		892
Prepaid expenses and other current assets	19,445		17,950
Total current assets	354,956		397,060
Property, plant and equipment, net	194,794		203,219
Intangible assets, net of accumulated amortization of $82,406 and $54,184	131,372		160,161
Goodwill	281,650		284,804
Other assets, net	7,397		5,798
Deferred income taxes	7,652		4,793
Total assets	977,821		1,055,835
Current liabilities:
Current portion of long-term debt and capital lease obligations	569		0
Accounts payable	44,074		55,312
Other accrued liabilities	95,308		92,472
Total current liabilities	139,951		147,784
Deferred income taxes	6,106		18,394
Long-term debt and capital lease obligations	356,814		387,749
Defined benefit pension liability	10,940		14,976
Other long-term liabilities	6,910		9,758
Total liabilities	520,721		578,661
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; 30,184,330 and 29,953,041 shares issued	9,053		8,984
Additional paid-in capital	400,989		352,500
Retained earnings	81,450		135,486
Accumulated other comprehensive loss	(34,392)		(19,796)
Total equity	457,100		477,174
Total liabilities and equity	$ 977,821		$ 1,055,835

[1] Includes billed and unbilled amounts, net of allowance for doubtful accounts. See Note 4 for details.