Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash Flows from Operating Activities :
Net income	$ 15,645	$ 15,336
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	41,417	42,171
Provision for doubtful accounts	987	690
Share-based compensation	1,586	1,953
Gain on sale of used rental equipment	(6,282)	(5,565)
Foreign currency exchange loss (gain)	(74)	253
Change in:
Accounts receivable	(1,584)	6,630
Income taxes receivable	11,000
Prepaid expenses and other assets	(2,863)	7,981
Accounts payable and accrued liabilities	5,232	1,715
Deferred income	2,061	587
Deferred income taxes	6,105	(6,514)
Net cash provided by operating activities	73,230	65,237
Cash Flows from Investing Activities:
Purchase of rental equipment	(45,715)	(71,237)
Purchase of property, plant and equipment	(8,698)	(5,832)
Proceeds from sale of used rental equipment	13,059	11,815
Net cash used in investing activities	(41,354)	(65,254)
Cash Flows from Financing Activities:
Net borrowings under bank lines of credit	1,814	34,699
Principal payments on Series A senior notes	(20,000)	(20,000)
Amortization of debt issuance costs	26	26
Proceeds from the exercise of stock options	37	1,458
Excess tax benefit (shortfall) from exercise of stock awards	(871)	313
Taxes paid related to net share settlement of stock awards	(486)	(584)
Repurchase of common stock		(3,132)
Payment of dividends	(12,253)	(13,176)
Net cash used in financing activities	(31,733)	(396)
Effect of exchange rate changes on cash	(8)	(15)
Net increase (decrease) in cash	135	(428)
Cash balance, beginning of period	1,103	1,167
Cash balance, end of period	1,238	739
Supplemental Disclosure of Cash Flow Information:
Interest paid, during the period	6,646	4,896
Net income taxes paid, during the period	5,679	1,490
Dividends accrued during the period, not yet paid	6,135	6,588
Rental equipment acquisitions, not yet paid	$ 3,935	$ 8,390