Interim Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Activities
Net income	$ 33,349	$ 18,470
Adjustment to reconcile net income to net cash (used in) provided by operating activities:
Provision for doubtful accounts	313	339
Depreciation - Property, plant and equipment	5,521	5,236
Depreciation - Rental equipment	2,105	1,890
Amortization of intangibles	3,815	3,887
Amortization of debt issuance	176	167
Stock-based compensation expense	1,699	1,371
Provision for deferred income tax	436	2,797
Gain on sale of property, plant and equipment	(1,716)	(22)
Changes in operating assets and liabilities:
Accounts receivable	(44,825)	(58,231)
Inventories	(8,703)	(34,139)
Rental equipment	(4,502)	(1,227)
Prepaid expenses and other assets	380	(3,989)
Trade accounts payable and accrued liabilities	4,564	7,979
Income taxes payable	8,783	(382)
Other assets and long-term liabilities, net	(189)	869
Net cash provided by (used in) operating activities	1,206	(54,985)
Investing Activities
Purchase of property, plant and equipment	(8,999)	(4,358)
Proceeds from sale of property, plant and equipment	2,533	33
Net cash used in investing activities	(6,466)	(4,325)
Financing Activities
Borrowings on bank revolving credit facility	91,000	128,000
Repayments on bank revolving credit facility	(18,000)	(21,000)
Principal payments on long-term debt and finance leases	(3,753)	(3,763)
Dividends paid	(2,615)	(2,133)
Proceeds from exercise of stock options	877	474
Common stock repurchased	(736)	(390)
Net cash provided by financing activities	66,773	101,188
Effect of exchange rate changes on cash and cash equivalents	791	284
Net change in cash and cash equivalents	62,304	42,162
Cash and cash equivalents at beginning of the year	47,016	42,115
Cash and cash equivalents at end of the period	109,320	84,277
Cash paid during the period for:
Interest	5,065	2,619
Income taxes	$ 3,042	$ 3,574