Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Income (loss) from continuing operations	$ 16,424	$ (114,013)
Income (loss) from discontinued operations, net of income taxes	0	0
Net income (loss)	16,424	(114,013)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Stock-based compensation	8,086	13,395
Depreciation and amortization	9,622	10,866
Changes to value of life insurance policies	1,501	1,490
Deferred income taxes	2,732	(7,554)
Impairments, inventory write-down and other charges	0	132,136
Gain on sale of business	(1,012)	0
Other non-cash items	(1,170)	927
Changes in assets and liabilities, net of effect of acquisitions and divestures:
Accounts receivable	(10,013)	29,072
Inventories	480	(1,298)
Prepaid expenses and other current assets	(4,084)	956
Other assets	(3,479)	2,634
Accounts payable	6,536	(12,211)
Accrued expenses	(7,795)	2,294
Unearned revenues	953	(2,868)
Other liabilities	(1,308)	(6,805)
Net cash provided by operating activities	17,473	49,021
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(5,657)	(6,406)
Patents and other intangibles	(146)	(272)
Proceeds from sale of assets	276	435
Net proceeds (premiums) on life insurance policies	1,636	(913)
Proceeds from sale of business, net of cash sold	513	0
Net cash used in investing activities	(3,378)	(7,156)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of long-term debt	(119,000)	(46,000)
Proceeds from long-term debt	68,000	27,000
Proceeds from issuance of common stock	59,139	0
Dividends paid	(909)	(11,556)
Repurchase of common shares	(1,031)	(1,436)
Other financing activities	(483)	(7)
Net cash provided by (used in) financing activities	5,716	(31,999)
NET CHANGE IN CASH AND CASH EQUIVALENTS	19,811	9,866
CASH AND CASH EQUIVALENTS, beginning of period	13,806	11,092
CASH AND CASH EQUIVALENTS, end of period	33,617	20,958
Supplemental disclosures of cash flow information:
Cash payments for interest	5,489	5,911
Cash payments for income taxes	$ 5,069	$ 4,370