Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash Flows from Operating Activities:
Net income	$ 36,196	$ 28,517
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	58,425	61,528
Provision for doubtful accounts	1,155	1,366
Share-based compensation	2,245	2,327
Gain on sale of used rental equipment	(13,006)	(10,798)
Foreign currency exchange gain	(273)	(59)
Amortization of debt issuance costs	38	39
Change in:
Accounts receivable	(11,691)	(10,107)
Income taxes receivable		11,000
Prepaid expenses and other assets	(1,261)	1,374
Accounts payable and accrued liabilities	80	3,089
Deferred income	4,689	5,191
Deferred income taxes	4,544	11,810
Net cash provided by operating activities	81,141	105,277
Cash Flows from Investing Activities:
Purchases of rental equipment	(73,193)	(64,349)
Purchases of property, plant and equipment	(12,784)	(10,028)
Proceeds from sales of used rental equipment	28,478	24,037
Net cash used in investing activities	(57,499)	(50,340)
Cash Flows from Financing Activities:
Net borrowings (repayments) under bank lines of credit	16,813	(16,034)
Principal payments on Series A senior notes	(20,000)	(20,000)
Proceeds from the exercise of stock options		37
Taxes paid related to net share settlement of stock awards	(1,363)	(589)
Payment of dividends	(18,628)	(18,349)
Net cash used in financing activities	(23,178)	(54,935)
Effect of foreign currency exchange rate changes on cash	53	(13)
Net increase (decrease) in cash	517	(11)
Cash balance, beginning of period	852	1,103
Cash balance, end of period	1,369	1,092
Supplemental Disclosure of Cash Flow Information:
Interest paid, during the period	8,563	9,042
Net income taxes paid, during the period	23,510	7,751
Dividends accrued during the period, not yet paid	5,979	6,144
Rental equipment acquisitions, not yet paid	$ 6,622	$ 3,688