Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash Flows from Operating Activities :
Net income	$ 6,566	$ 6,846
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	20,860	20,906
Provision for doubtful accounts	498	333
Share-based compensation	856	931
Gain on sale of used rental equipment	(2,966)	(2,869)
Foreign currency exchange loss (gain)	(151)	168
Change in:
Accounts receivable	2,882	11,600
Income taxes receivable	11,000
Prepaid expenses and other assets	1,949	6,124
Accounts payable and accrued liabilities	(4,249)	(6,421)
Deferred income	536	220
Deferred income taxes	1,851	(3,218)
Net cash provided by operating activities	39,632	34,620
Cash Flows from Investing Activities:
Purchase of rental equipment	(22,814)	(29,974)
Purchase of property, plant and equipment	(881)	(3,005)
Proceeds from sale of used rental equipment	6,098	6,111
Net cash used in investing activities	(17,597)	(26,868)
Cash Flows from Financing Activities:
Net repayments under bank lines of credit	(15,522)	(1,555)
Amortization of debt issuance costs	13	13
Proceeds from the exercise of stock options	37	958
Excess tax benefit (shortfall) from exercise of stock awards	(111)	19
Taxes paid related to net share settlement of stock awards	(344)	(582)
Repurchase of common stock		(377)
Payment of dividends	(6,136)	(6,639)
Net cash used in financing activities	(22,063)	(8,163)
Effect of exchange rate changes on cash	(13)	21
Net decrease in cash	(41)	(390)
Cash balance, beginning of period	1,103	1,167
Cash balance, end of period	1,062	777
Supplemental Disclosure of Cash Flow Information:
Interest paid, during the period	2,986	2,008
Net income taxes paid, during the period	673	316
Dividends accrued during the period, not yet paid	6,120	6,552
Rental equipment acquisitions, not yet paid	$ 3,752	$ 10,220