Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash Flows from Operating Activities :
Net income	$ 19,434	$ 15,645
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	38,752	41,417
Provision for doubtful accounts	597	987
Share-based compensation	1,538	1,586
Gain on sale of used rental equipment	(7,914)	(6,282)
Foreign currency exchange gain	(237)	(74)
Amortization of debt issuance costs	25	26
Change in:
Accounts receivable	(259)	(1,584)
Income taxes receivable		11,000
Prepaid expenses and other assets	(8,839)	(2,863)
Accounts payable and accrued liabilities	680	4,361
Deferred income	5,034	2,061
Deferred income taxes	587	6,105
Net cash provided by operating activities	49,398	72,385
Cash Flows from Investing Activities:
Purchases of rental equipment	(46,118)	(45,715)
Purchases of property, plant and equipment	(9,623)	(8,698)
Proceeds from sales of used rental equipment	16,057	13,059
Net cash used in investing activities	(39,684)	(41,354)
Cash Flows from Financing Activities:
Net borrowings under bank lines of credit	23,996	1,814
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	(319)	(486)
Payment of dividends	(12,390)	(12,253)
Net cash used in financing activities	(8,713)	(30,888)
Effect of foreign currency exchange rate changes on cash	18	(8)
Net increase in cash	1,019	135
Cash balance, beginning of period	852	1,103
Cash balance, end of period	1,871	1,238
Supplemental Disclosure of Cash Flow Information:
Interest paid, during the period	5,817	6,646
Net income taxes paid, during the period	18,141	5,679
Dividends accrued during the period, not yet paid	6,214	6,135
Rental equipment acquisitions, not yet paid	$ 6,359	$ 3,935