Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 93,938	$ 69,308
Accounts receivable, net	9,070	13,389
Accounts receivable from affiliates	22,964	7,404
Inventories, net	30,580	28,927
Assets held for sale	1,373	2,016
Prepaid expenses and other	6,323	8,273
Current assets of discontinued operations	0	252,415
Total current assets	164,248	381,732
Property, plant and equipment, net	116,336	115,106
Intangibles, net	44,036	45,678
Deferred income taxes	7,145	10,876
Investments in unconsolidated subsidiaries	27,281	31,054
Deferred costs	3,163	2,069
Other non-current assets	22,740	23,089
Long-term assets of discontinued operations	0	58,417
Total assets	384,949	668,021
LIABILITIES AND EQUITY
Accounts payable	8,466	6,995
Accounts payable to affiliates	3,228	3,565
Current maturities of long-term debt	1,168	1,744
Accrued payroll	12,400	15,482
Asset retirement obligations	3,555	3,843
Accrued income taxes	3,442	0
Other current liabilities	10,964	9,954
Current liabilities of discontinued operations	0	180,245
Total current liabilities	43,223	221,828
Long-term debt	57,573	94,295
Asset retirement obligations	39,482	38,262
Pension and other postretirement obligations	12,924	14,271
Deferred compensation	13,571	13,578
Other long-term liabilities	11,113	9,737
Long-term liabilities of discontinued operations	0	55,757
Total liabilities	177,886	447,728
Common stock:
Capital in excess of par value	2,219	0
Retained earnings	207,447	239,441
Accumulated other comprehensive loss	(9,449)	(25,927)
Total stockholders' equity	207,063	220,293
Total liabilities and equity	384,949	668,021
Shares Outstanding Class A
Common stock:
Common stock	5,276	5,208
Shares Outstanding Class B
Common stock:
Common stock	$ 1,570	$ 1,571