Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash	$ 15,079	$ 15,087
Accounts receivable, net	143,323	123,005
Inventories	120,119	119,836
Income tax receivable	3,989	3,989
Current deferred tax assets		6,696
Other current assets	13,125	11,568
Total current assets	295,635	280,181
Property, plant and equipment, net	325,222	318,968
Goodwill, net	450,190	449,898
Intangible assets, net	273,807	282,169
Non-current deferred tax assets		742
Investment in joint venture	39,862	38,462
Other non-current assets	10,901	10,147
Total assets	1,395,617	1,380,567
Current liabilities:
Accounts payable	70,292	69,101
Accrued salaries, wages and benefits	24,341	21,125
Income taxes payable	3,525	5,350
Current maturities of long-term debt	11,947	11,714
Current portion of obligation under capital lease	4,440	4,786
Other current liabilities	26,938	21,275
Total current liabilities	141,483	133,351
Non-current deferred tax liabilities	111,050	117,459
Long-term debt, net of current portion	804,672	795,400
Accrued post-employment benefits	6,177	6,157
Obligation under capital lease, net of current portion	8,646	9,573
Other	6,257	4,746
Total liabilities	1,078,285	1,066,686
Total stockholders' equity	317,332	313,881
Total liabilities and stockholders' equity	$ 1,395,617	$ 1,380,567