Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash	$ 8,519	$ 23,001
Restricted cash	0	0
Short-term investments	0	0
Receivables, net	130,805	147,074
Taxes receivable	5,479	9,709
Inventories	243,313	258,029
Other Assets, Current	7,866	8,682
Total current assets	395,982	446,495
Property, plant and equipment, net	991,061	945,328
Goodwill	244,283	244,283
Intangible assets, net	36,513	40,485
Other assets, net	10,750	7,751
TOTAL ASSETS	1,678,589	1,684,342
Current liabilities:
Line of Credit, Current	108,000	135,000
Accounts payable and accrued liabilities	224,177	223,699
Current liability for pensions and other postretirement employee benefits	7,821	7,821
Total current liabilities	339,998	366,520
Long-term debt	570,139	569,755
Liability for pensions and other postretirement employee benefits	79,442	81,812
Other long-term obligations	40,776	41,776
Accrued taxes	2,567	2,434
Deferred tax liabilities	162,081	152,172
Liabilities	1,195,003	1,214,469
Stockholders' equity:
Preferred stock, par value $0.0001 per share, 5,000,000 authorized shares, no shares issued	0	0
Common stock, par value $0.0001 per share, 100,000,000 authorized shares, 24,209,150 and 24,193,098 shares issued	2	2
Additional paid-in capital	349,589	347,080
Retained earnings	585,413	569,861
Treasury stock, at cost, common shares-7,478,877 and 6,380,309 shares repurchased	(400,192)	(395,317)
Accumulated other comprehensive loss, net of tax	(51,226)	(51,753)
Total stockholders' equity	483,586	469,873
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,678,589	$ 1,684,342