Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash Flows From Operating Activities
Net income	$ 18,380	$ 25,094
Adjustments to reconcile net income to net cash provided by (used for) operating activities
Depreciation	8,142	7,243
Amortization	2,610	4,518
Non-cash stock-based compensation expense	1,829	1,346
Gain on disposal of fixed assets	(996)	(7)
Gain on sale of notes receivable	0	(11,924)
Other	(702)	407
Other long-term liabilities	(205)	478
Cash flows provided by (used for) working capital
Accounts receivable	(15,250)	(9,672)
Inventories	(13,411)	(5,453)
Prepaid expenses and other current assets	(4,814)	(2,926)
Accounts payable and accrued expenses	25,718	2,681
Net cash provided by (used for) operating activities	21,301	11,785
Cash Flows From Investing Activities
Capital expenditures	(8,220)	(5,589)
Acquisition of business	(1,223)	(691)
Proceeds from sale of property, plant and equipment	2,848	0
Proceeds on sale of notes receivable	0	1,200
Net cash provided by (used for) investing activities	(6,595)	(5,080)
Cash Flows From Financing Activities
Net borrowings from revolving credit facility	19,900	0
Repayments of long-term debt	(40,000)	0
Payments on finance lease	(161)	0
Cash dividends paid	(9,809)	(9,736)
Proceeds from issuance of common stock	2,420	235
Shares withheld for employee taxes on equity awards	(748)	(362)
Deferred financing fees	(1,095)	0
Net cash provided by (used for) financing activities	(29,493)	(9,863)
Foreign exchange rate effect on cash	29	(47)
Net decrease in cash	(14,758)	(3,205)
Cash at January 1	28,301	75,527
Cash at June 30	$ 13,543	$ 72,322