Interim Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating Activities
Net income	$ 72,763	$ 61,018
Adjustment to reconcile net income to net cash (used in) provided by operating activities:
Provision for doubtful accounts	319	133
Depreciation - Property, plant and equipment	16,307	15,798
Depreciation - Rental equipment	5,665	6,562
Amortization of intangibles	11,481	10,988
Amortization of debt issuance	500	500
Stock-based compensation expense	4,629	5,396
Provision for deferred income tax (benefit)	(4,029)	(6,705)
Gain on sale of property, plant and equipment	(156)	(4,162)
Changes in operating assets and liabilities:
Accounts receivable	(74,884)	(38,106)
Inventories	(54,122)	(54,408)
Rental equipment	(6,416)	(540)
Prepaid expenses and other assets	(802)	(1,668)
Trade accounts payable and accrued liabilities	5,696	36,331
Income taxes payable	910	10,266
Long-term tax payable	(635)	454
Other assets and long-term liabilities, net	1,595	1,530
Net cash (used in) provided by operating activities	(21,179)	43,387
Investing Activities
Acquisitions, net of cash acquired	(2,000)	0
Purchase of property, plant and equipment	(23,499)	(14,584)
Proceeds from sale of property, plant and equipment	527	9,287
Purchase of patents	0	(44)
Net cash used in investing activities	(24,972)	(5,341)
Financing Activities
Borrowings on bank revolving credit facility	190,000	128,000
Repayments on bank revolving credit facility	(85,000)	(108,000)
Principal payments on long-term debt and finance leases	(11,277)	(11,308)
Dividends paid	(6,411)	(4,969)
Proceeds from exercise of stock options	639	1,485
Common stock repurchased	(712)	(1,957)
Net cash provided by financing activities	87,239	3,251
Effect of exchange rate changes on cash and cash equivalents	(7,895)	(2,303)
Net change in cash and cash equivalents	33,193	38,994
Cash and cash equivalents at beginning of the year	42,115	50,195
Cash and cash equivalents at end of the period	75,308	89,189
Cash paid during the period for:
Interest	9,742	7,839
Income taxes	$ 27,162	$ 20,151