CONSOLIDATED BALANCE SHEETS - USD ($)	Jun. 30, 2020	Dec. 31, 2019
ASSETS
Cash and cash equivalents	$ 145,405,000	$ 50,023,000
Accounts receivable, net of allowance for doubtful accounts of $4,051 in 2020 and $5,181 in 2019	109,183,000	242,574,000
Inventories	93,392,000	100,947,000
Income taxes receivable	46,907,000	24,145,000
Prepaid expenses	5,855,000	10,459,000
Assets held for sale	5,385,000	5,385,000
Other current assets	2,976,000	3,325,000
Total current assets	409,103,000	436,858,000
Property, plant and equipment, less accumulated depreciation of $793,163 in 2020 and $1,396,908 in 2019	278,358,000	516,727,000
Operating lease right-of-use assets	29,215,000	33,850,000
Goodwill	32,150,000	32,150,000
Other assets	34,042,000	33,633,000
Total assets	782,868,000	1,053,218,000
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	21,083,000	53,147,000
Accrued payroll and related expenses	13,246,000	19,641,000
Accrued insurance expenses	6,312,000	7,540,000
Accrued state, local and other taxes	3,731,000	2,427,000
Income taxes payable	435,000	1,534,000
Current portion of operating lease liabilities	9,411,000	10,625,000
Other accrued expenses	4,596,000	6,488,000
Total current liabilities	58,814,000	101,402,000
Long-term accrued insurance expenses	12,995,000	14,040,000
Long-term pension liabilities	37,420,000	39,254,000
Deferred income taxes	902,000	37,319,000
Long-term operating lease liabilities	23,978,000	28,378,000
Other long-term liabilities	106,000	2,492,000
Total liabilities	134,215,000	222,885,000
STOCKHOLDER'S EQUITY
Common stock	21,512,000	21,443,000
Capital in excess of par value	0	0
Retained earnings	649,844,000	832,113,000
Accumulated other comprehensive loss	(22,703,000)	(23,223,000)
Total stockholders' equity	648,653,000	830,333,000
Total liabilities and stockholders' equity	$ 782,868,000	$ 1,053,218,000