Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 82,695	$ 31,703
Accounts receivable, net	105,661	131,558
Inventories	121,031	118,722
Income tax receivable	17,458	5,973
Other current assets	15,477	15,024
Total current assets	342,322	302,980
Property, plant and equipment, net	344,073	374,513
Operating lease right-of-use assets	77,121	65,496
Goodwill	196,467	439,095
Intangible assets, net	306,577	329,260
Investment in joint venture	22,104	21,755
Other non-current assets	7,350	8,885
Total assets	1,296,014	1,541,984
Current liabilities:
Accounts payable	43,751	57,340
Accrued salaries, wages and benefits	33,335	30,428
Income tax payable	867	1,028
Current maturities of long-term debt	20,567	19,160
Current portion of operating lease liabilities	7,068	6,652
Other current liabilities	32,266	24,873
Total current liabilities	137,854	139,481
Deferred tax liabilities	73,691	85,799
Non-current income tax payable	0	1,272
Long-term debt, net of current portion	816,956	757,440
Operating lease liabilities, net of current portion	79,712	66,980
Other non-current liabilities	31,195	44,723
Total liabilities	1,139,408	1,095,695
Commitments and contingencies (Note 12)
Series B convertible preferred stock - $0.01 par value per share, 100 shares authorized, 100 shares issued and outstanding at December 31, 2019, and June 30, 2020	98,707	93,012
Common stock - $0.01 par value per share, 90,000 shares authorized, 42,313 and 42,747 shares issued and outstanding at December 31, 2019, and June 30, 2020, respectively	427	423
Additional paid-in capital	498,294	501,615
Warrants	1,076	1,076
Accumulated deficit	(375,222)	(105,283)
Accumulated other comprehensive loss	(66,676)	(44,554)
Total stockholders’ equity	57,899	353,277
Total liabilities, preferred stock, and stockholders’ equity	$ 1,296,014	$ 1,541,984