Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 23,207	$ 224,446
Accounts receivable, net	147,449	108,446
Inventories	116,136	82,617
Income tax receivable	51,682	43,253
Other current assets	24,494	18,518
Total current assets	362,968	477,280
Property, plant and equipment, net	334,021	259,280
Goodwill	617,814	454,612
Intangible assets, net	394,664	237,702
Investment in joint venture	40,515	39,822
Other non-current assets	11,102	6,307
Total assets	1,761,084	1,475,003
Current liabilities:
Accounts payable	55,066	52,990
Accrued salaries, wages and benefits	28,429	21,145
Current maturities of long-term debt	29,809	17,283
Other current liabilities	25,129	17,003
Total current liabilities	138,433	108,421
Deferred tax liabilities	117,781	71,564
Non-current income tax payable	5,327	5,593
Long-term debt, net of current portion	1,040,434	790,805
Other non-current liabilities	15,795	12,516
Total liabilities	1,317,770	988,899
Commitments and contingencies
Total stockholders’ equity	443,314	486,104
Total liabilities and stockholders’ equity	$ 1,761,084	$ 1,475,003