Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash	$ 37,317	$ 3,039
Accounts receivable, net	97,510	58,929
Inventories	91,469	54,530
Income tax receivable	1,149	816
Current deferred tax assets	5,849	2,119
Other current assets	9,505	6,241
Total current assets	242,799	125,674
Property, plant and equipment, net	278,442	121,089
Goodwill, net	83,941	8,624
Intangible assets, net	52,827	900
Non-current deferred tax assets	2,265	2,713
Investment in joint venture	34,703
Other non-current assets	17,736	3,402
Total assets	712,713	262,402
Current liabilities:
Accounts payable	71,094	40,687
Accrued salaries, wages and benefits	21,148	11,761
Income taxes payable	3,274	1,340
Current maturities of long-term debt	22,160	10,477
Current portion of obligation under capital lease	5,418	493
Other current liabilities	14,504	4,626
Total current liabilities	137,598	69,384
Non-current deferred tax liabilities	49,461	3,844
Long-term debt, net of current portion	328,026	26,000
Accrued post-employment benefits	6,972	6,920
Obligation under capital lease, net of current portion	14,539	3,494
Other	2,418
Total liabilities	539,014	109,642
Commitments and Contingencies (Note 14)
Stockholders' equity:
Common stock - $0.01 par value, authorized 45,000 shares, issued and outstanding 18,983 in 2014 and 17,630 in 2013	190	176
Additional paid-in capital	99,095	63,126
Retained earnings	69,015	65,929
Accumulated other comprehensive income	5,367	23,529
Non-controlling interest	32
Total stockholders' equity	173,699	152,760
Total liabilities and stockholders' equity	$ 712,713	$ 262,402