Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues
Rental	$ 67,757	$ 70,195	$ 201,036	$ 203,002
Rental related services	20,122	21,862	57,028	54,456
Rental operations	87,879	92,057	258,064	257,458
Sales	33,486	20,426	58,916	40,181
Other	628	565	1,817	1,623
Total revenues	121,993	113,048	318,797	299,262
Direct costs of rental operations:
Depreciation of rental equipment	17,819	18,809	54,590	56,507
Rental related services	15,240	15,802	42,404	40,602
Other	15,475	14,032	48,015	45,469
Total direct costs of rental operations	48,534	48,643	145,009	142,578
Costs of sales	23,026	14,259	38,944	26,533
Total costs of revenues	71,560	62,902	183,953	169,111
Gross profit	50,433	50,146	134,844	130,151
Selling and administrative expenses	26,201	24,996	78,281	74,661
Income from operations	24,232	25,150	56,563	55,490
Other income (expense):
Interest expense	(2,940)	(2,444)	(9,486)	(7,182)
Foreign currency exchange gain (loss)	(15)	(201)	59	(454)
Income before provision for income taxes	21,277	22,505	47,136	47,854
Provision for income taxes	8,405	8,889	18,619	18,902
Net income	$ 12,872	$ 13,616	$ 28,517	$ 28,952
Earnings per share:
Basic	$ 0.54	$ 0.54	$ 1.19	$ 1.12
Diluted	$ 0.54	$ 0.54	$ 1.19	$ 1.12
Shares used in per share calculation:
Basic	23,911	25,334	23,891	25,853
Diluted	24,041	25,408	23,957	25,954
Cash dividends declared per share	$ 0.255	$ 0.250	$ 0.765	$ 0.750