Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 79,214	$ 31,703
Accounts receivable, net	128,458	131,558
Inventories	118,919	118,722
Income tax receivable	17,310	5,973
Other current assets	19,081	15,024
Total current assets	362,982	302,980
Property, plant and equipment, net	350,369	374,513
Operating lease right-of-use assets	68,407	65,496
Goodwill	196,281	439,095
Intangible assets, net	317,918	329,260
Investment in joint venture	21,120	21,755
Other non-current assets	8,076	8,885
Total assets	1,325,153	1,541,984
Current liabilities:
Accounts payable	59,792	57,340
Accrued salaries, wages and benefits	32,138	30,428
Income tax payable	922	1,028
Current maturities of long-term debt	20,064	19,160
Current portion of operating lease liabilities	5,775	6,652
Other current liabilities	33,842	24,873
Total current liabilities	152,533	139,481
Deferred tax liabilities	78,307	85,799
Non-current income tax payable	0	1,272
Long-term debt, net of current portion	814,972	757,440
Operating lease liabilities, net of current portion	72,389	66,980
Other non-current liabilities	32,386	44,723
Total liabilities	1,150,587	1,095,695
Commitments and contingencies (Note 12)
Series B convertible preferred stock - $0.01 par value per share, 100 shares authorized, 100 and 100 shares issued and outstanding at December 31, 2019, and March 31, 2020	95,664	93,012
Common stock - $0.01 par value per share, 90,000 shares authorized, 42,313 and 42,757 shares issued and outstanding at December 31, 2019, and March 31, 2020, respectively	428	423
Additional paid-in capital	499,925	501,615
Warrants	1,076	1,076
Accumulated deficit	(353,474)	(105,283)
Accumulated other comprehensive loss	(69,053)	(44,554)
Total stockholders’ equity	78,902	353,277
Total liabilities, preferred stock, and stockholders’ equity	1,325,153	$ 1,541,984
Change in fair value of interest rate swap, net of tax of $3,390	$ 11,209