Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash Flows from Operating Activities:
Net income	$ 30,378	$ 19,434
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	40,288	38,752
Impairment of rental assets	39
Provision for doubtful accounts	181	597
Share-based compensation	1,828	1,538
Gain on sale of used rental equipment	(9,875)	(7,914)
Foreign currency exchange (gain) loss	376	(237)
Amortization of debt issuance costs	15	25
Change in:
Accounts receivable	596	(259)
Prepaid expenses and other assets	(14,938)	(8,839)
Accounts payable and accrued liabilities	(365)	680
Deferred income	4,854	5,034
Deferred income taxes	388	587
Net cash provided by operating activities	53,765	49,398
Cash Flows from Investing Activities:
Purchases of rental equipment	(58,662)	(46,118)
Purchases of property, plant and equipment	(6,417)	(9,623)
Proceeds from sales of used rental equipment	19,212	16,057
Net cash used in investing activities	(45,867)	(39,684)
Cash Flows from Financing Activities:
Net borrowings under bank lines of credit	31,431	23,996
Principal payments on Series A senior notes	(20,000)	(20,000)
Taxes paid related to net share settlement of stock awards	(2,792)	(319)
Payment of dividends	(14,501)	(12,390)
Net cash used in financing activities	(5,862)	(8,713)
Effect of foreign currency exchange rate changes on cash	(53)	18
Net increase in cash	1,983	1,019
Cash balance, beginning of period	2,501	852
Cash balance, end of period	4,484	1,871
Supplemental Disclosure of Cash Flow Information:
Interest paid, during the period	6,123	5,817
Net income taxes paid, during the period	11,675	18,141
Dividends accrued during the period, not yet paid	8,267	6,214
Rental equipment acquisitions, not yet paid	$ 7,201	$ 6,359