Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash Flows from Operating Activities :
Net income	$ 28,952	$ 31,822
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	63,303	60,383
Provision for doubtful accounts	1,179	1,480
Share-based compensation	2,863	3,010
Gain on sale of used rental equipment	(9,066)	(10,777)
Gain on sale of property, plant and equipment		(812)
Foreign currency exchange loss	454	113
Change in:
Accounts receivable	(7,445)	(17,400)
Prepaid expenses and other assets	12,944	(2,293)
Accounts payable and accrued liabilities	(1,055)	7,370
Deferred income	11,033	8,772
Deferred income taxes	(2,519)	3,295
Net cash provided by operating activities	100,643	84,963
Cash Flows from Investing Activities:
Purchase of rental equipment	(104,884)	(112,972)
Purchase of property, plant and equipment	(8,045)	(9,078)
Proceeds from sale of used rental equipment	19,681	22,864
Proceeds from sale of property, plant and equipment		2,501
Net cash used in investing activities	(93,248)	(96,685)
Cash Flows from Financing Activities:
Net borrowing under bank lines of credit	79,635	12,277
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	318
Excess tax benefit from exercise and disqualifying disposition of stock options	349	1,314
Taxes paid related to net share settlement of stock awards	(729)	(3,777)
Repurchase of common stock	(48,785)
Payment of dividends	(19,728)	(19,189)
Net cash provided by (used in) financing activities	(7,800)	10,943
Effect of exchange rate changes on cash	(5)	(77)
Net decrease in cash	(410)	(856)
Cash balance, beginning of period	1,167	1,630
Cash balance, end of period	757	774
Supplemental Disclosure of Cash Flow Information:
Interest paid, during the period	7,224	6,316
Net income taxes paid, during the period	2,240	15,694
Dividends accrued during the period, not yet paid	6,159	6,471
Rental equipment acquisitions, not yet paid	$ 5,707	$ 12,655