Interim Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating Activities
Net income	$ 69,723	$ 46,942
Adjustment to reconcile net income to net cash provided by (used in) operating activities:
Provision for doubtful accounts	244	315
Depreciation - Property, plant and equipment	11,270	10,648
Depreciation - Rental equipment	4,259	3,765
Amortization of intangibles	7,639	7,679
Amortization of debt issuance	351	334
Stock-based compensation expense	3,568	3,121
Provision for deferred income tax	105	349
Gain on sale of property, plant and equipment	(2,058)	(69)
Changes in operating assets and liabilities:
Accounts receivable	(57,260)	(74,024)
Inventories	(13,273)	(37,185)
Rental equipment	(6,889)	(2,501)
Prepaid expenses and other assets	(415)	(2,992)
Trade accounts payable and accrued liabilities	17,435	2,263
Income taxes payable	4,586	(1,028)
Long-term tax payable	(1,317)	(1,972)
Other assets and long-term liabilities, net	(784)	966
Net cash provided by (used in) operating activities	37,184	(43,389)
Investing Activities
Acquisitions, net of cash acquired	0	(2,000)
Purchase of property, plant and equipment	(18,238)	(14,965)
Proceeds from sale of property, plant and equipment	2,931	181
Net cash used in investing activities	(15,307)	(16,784)
Financing Activities
Borrowings on bank revolving credit facility	117,000	162,000
Repayments on bank revolving credit facility	(64,000)	(53,000)
Principal payments on long-term debt and finance leases	(7,504)	(7,521)
Dividends paid	(5,237)	(4,272)
Proceeds from exercise of stock options	1,204	547
Common stock repurchased	(989)	(712)
Net cash provided by financing activities	40,474	97,042
Effect of exchange rate changes on cash and cash equivalents	2,694	(3,090)
Net change in cash and cash equivalents	65,045	33,779
Cash and cash equivalents at beginning of the year	47,016	42,115
Cash and cash equivalents at end of the period	112,061	75,894
Cash paid during the period for:
Interest	12,140	5,998
Income taxes	$ 19,891	$ 17,615