CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 196,170	$ 185,113
Accounts receivable, net	170,739	146,383
Inventories	138,688	106,406
Income taxes prepaid and receivable	1,303	2,927
Asset held for sale	5,179	4,988
Prepaid expenses and other current assets	10,078	6,243
Total current assets	522,157	452,060
Property, plant and equipment, net	441,608	357,470
Intangibles, net	57,044	154
Goodwill	134,724	66,373
Income taxes receivable and deferred	78,689	108,945
Other assets	31,400	24,560
Total assets	1,265,622	1,009,562
Current liabilities:
Notes and loans payable	343	587
Accounts payable	36,653	26,753
Accrued liabilities	96,483	91,785
Current maturities of long-term debt	1,462	16
Income taxes payable	12,176	7,090
Total current liabilities	147,117	126,231
Long-term debt	490,003	265,080
Other noncurrent liabilities	98,123	101,544
Deferred taxes and other liabilities	5,256	14,154
Total liabilities	740,499	507,009
SHAREHOLDERS' EQUITY
Preferred stock, par value $5.00 per share; authorized 2,000,000 shares; none issued
Additional paid in capital	425,315	423,108
Retained earnings	512,517	491,950
Accumulated items of other comprehensive income:
Translation adjustments	(106,439)	(108,655)
Pension and postretirement liability adjustments	(48,023)	(48,725)
Derivative valuation adjustment	(4,719)	(1,464)
Treasury stock (Class A), at cost 8,445,342 shares in 2016 and 8,455,293 shares in 2015	(257,146)	(257,391)
Total Company shareholders' equity	521,545	498,863
Noncontrolling interest	3,578	3,690
Total equity	525,123	502,553
Total liabilities and shareholders' equity	1,265,622	1,009,562
Common Class A [Member]
SHAREHOLDERS' EQUITY
Common Stock	37	37
Common Class B [Member]
SHAREHOLDERS' EQUITY
Common Stock	$ 3	$ 3