Interim Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating Activities
Net income	$ 48,550	$ 53,338
Adjustment to reconcile net income to net cash provided by operating activities:
Provision for doubtful accounts	541	280
Depreciation - Property, plant and equipment	14,237	10,583
Depreciation - Rental equipment	7,504	6,770
Amortization of intangibles	11,093	3,081
Amortization of debt issuance	500	166
Stock-based compensation expense	3,115	2,341
Provision for deferred income tax (benefit)	(4,548)	(2,549)
Gain on sale of property, plant and equipment	(1,037)	(732)
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	17,612	(11,263)
Inventories	22,893	(8,413)
Rental equipment	4,189	(18,970)
Prepaid expenses and other assets	5,765	(5,377)
Trade accounts payable and accrued liabilities	(2,422)	9,481
Income taxes payable	8,432	1,738
Long-term tax payable	(654)	590
Other assets and long-term liabilities, net	205	3,146
Net cash provided by operating activities	135,975	44,210
Investing Activities
Acquisitions, net of cash acquired	0	(58,531)
Purchase of property, plant and equipment	(14,962)	(19,488)
Proceeds from sale of property, plant and equipment	3,433	1,987
Net cash used in investing activities	(11,529)	(76,032)
Financing Activities
Borrowings on bank revolving credit facility	98,000	141,000
Repayments on bank revolving credit facility	(153,000)	(76,000)
Principal payments on long-term debt and finance leases	(15,094)	(97)
Proceeds from issuance of long-term debt and finance leases	0	2
Dividends paid	(4,590)	(4,217)
Proceeds from exercise of stock options	1,272	2,465
Treasury stock repurchased	0	(4,140)
Common stock repurchased	(710)	(590)
Net cash (used in) provided by financing activities	(74,122)	58,423
Effect of exchange rate changes on cash and cash equivalents	880	(365)
Net change in cash and cash equivalents	51,204	26,236
Cash and cash equivalents at beginning of the year	42,311	34,043
Cash and cash equivalents at end of the period	93,515	60,279
Cash paid during the period for:
Interest	14,149	5,327
Income taxes	$ 13,309	$ 18,431