Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash Flows from Operating Activities :
Net income	$ 15,336	$ 18,076
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	42,171	39,982
Provision for doubtful accounts	690	1,014
Share-based compensation	1,953	1,984
Gain on sale of used rental equipment	(5,565)	(6,444)
Gain on sale of property, plant and equipment		(812)
Foreign currency exchange loss	253	10
Change in:
Accounts receivable	6,630	(2,448)
Prepaid expenses and other assets	8,007	(2,287)
Accounts payable and accrued liabilities	1,715	2,236
Deferred income	587	2,080
Deferred income taxes	(6,514)	1,781
Net cash provided by operating activities	65,263	55,172
Cash Flows from Investing Activities:
Purchase of rental equipment	(71,237)	(68,105)
Purchase of property, plant and equipment	(5,832)	(6,101)
Proceeds from sale of used rental equipment	11,815	13,757
Proceeds from sale of property, plant and equipment		2,501
Net cash used in investing activities	(65,254)	(57,948)
Cash Flows from Financing Activities:
Net borrowing (repayments) under bank lines of credit	34,699	(3,003)
Borrowing under Series B senior notes		40,000
Principal payment on Series A senior notes	(20,000)	(20,000)
Proceeds from the exercise of stock options	1,458	302
Excess tax benefit from exercise and disqualifying disposition of stock options	313	1,173
Taxes paid related to net share settlement of stock awards	(584)	(3,378)
Repurchase of common stock	(3,132)
Payment of dividends	(13,176)	(12,833)
Net cash provided by (used in) financing activities	(422)	2,261
Effect of exchange rate changes on cash	(15)	26
Net decrease in cash	(428)	(489)
Cash balance, beginning of period	1,167	1,630
Cash balance, end of period	739	1,141
Supplemental Disclosure of Cash Flow Information:
Interest paid, during the period	4,896	4,198
Net income taxes paid, during the period	1,490	8,526
Dividends accrued during the period, not yet paid	6,588	6,425
Rental equipment acquisitions, not yet paid	$ 8,390	$ 12,033