Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows from Operating Activities:
Net income	$ 7,973	$ 6,566
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	19,405	20,860
Provision for doubtful accounts	289	498
Share-based compensation	806	856
Gain on sale of used rental equipment	(2,943)	(2,966)
Foreign currency exchange gain	(226)	(151)
Amortization of debt issuance cost	13	13
Change in:
Accounts receivable	4,036	2,882
Income taxes receivable		11,000
Prepaid expenses and other assets	(1,536)	1,949
Accounts payable and accrued liabilities	(3,924)	(4,360)
Deferred income	2,388	536
Deferred income taxes	(451)	1,851
Net cash provided by operating activities	25,830	39,534
Cash Flows from Investing Activities:
Purchases of rental equipment	(15,914)	(22,814)
Purchases of property, plant and equipment	(5,835)	(881)
Proceeds from sales of used rental equipment	5,505	6,098
Net cash used in investing activities	(16,244)	(17,597)
Cash Flows from Financing Activities:
Net repayments under bank lines of credit	(2,436)	(15,522)
Proceeds from the exercise of stock options		37
Taxes paid related to net share settlement of stock awards	(143)	(344)
Payment of dividends	(6,155)	(6,136)
Net cash used in financing activities	(8,734)	(21,965)
Effect of foreign currency exchange rate changes on cash	(24)	(13)
Net increase (decrease) in cash	828	(41)
Cash balance, beginning of period	852	1,103
Cash balance, end of period	1,680	1,062
Supplemental Disclosure of Cash Flow Information:
Interest paid, during the period	2,303	2,986
Net income taxes paid, during the period	5,565	706
Dividends accrued during the period, not yet paid	6,190	6,120
Rental equipment acquisitions, not yet paid	$ 7,513	$ 3,752