Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash	$ 40,102	$ 37,317
Accounts receivable, net	108,144	97,510
Inventories	92,579	91,469
Other current assets	17,560	16,503
Total current assets	258,385	242,799
Property, plant and equipment, net	266,562	278,442
Goodwill, net	85,447	83,941
Intangible asset, net	51,829	52,827
Investment in joint venture	37,088	34,703
Other non-current assets	20,165	20,001
Total assets	719,476	712,713
Current liabilities:
Accounts payable	60,338	71,094
Accrued salaries, wages and benefits	18,362	21,148
Current maturities of long-term debt	21,677	22,160
Income taxes payable	4,933	3,274
Current portion of obligations under capital lease	5,066	5,418
Other current liabilities	10,747	14,504
Total current liabilities	121,123	137,598
Non-current deferred tax liabilities	46,950	49,461
Long-term debt, net of current portion	184,356	328,026
Obligations under capital lease, net of current portion	10,759	14,539
Other non-current liabilities	12,584	9,390
Total liabilities	375,772	539,014
Total stockholders' equity	343,704	173,699
Total liabilities and stockholders' equity	$ 719,476	$ 712,713