Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Equipment rentals	$ 108,238	$ 89,420	$ 293,276	$ 248,518
New equipment sales	80,758	90,220	240,886	216,979
Used equipment sales	25,198	36,779	85,940	103,589
Parts sales	29,009	26,571	83,182	77,971
Services revenues	15,622	13,729	45,372	42,050
Other	16,219	13,730	43,995	39,070
Total revenues	275,044	270,449	792,651	728,177
Cost of revenues:
Rental depreciation	37,654	31,527	106,101	89,679
Rental expense	15,881	13,550	45,686	41,401
New equipment sales	71,630	80,659	212,777	193,453
Used equipment sales	17,350	27,086	58,824	74,006
Parts sales	20,705	19,123	59,028	56,660
Services revenues	5,356	4,943	15,864	15,743
Other	15,402	13,261	41,453	37,043
Total cost of revenues	183,978	190,149	539,733	507,985
Gross profit	91,066	80,300	252,918	220,192
Selling, general and administrative expenses	51,585	46,977	152,324	140,347
Gain on sales of property and equipment, net	512	609	1,932	1,715
Income from operations	39,993	33,932	102,526	81,560
Other income (expense):
Interest expense	(13,171)	(13,193)	(38,743)	(38,550)
Other, net	293	237	943	945
Total other expense, net	(12,878)	(12,956)	(37,800)	(37,605)
Income before income taxes	27,115	20,976	64,726	43,955
Provision for income taxes	11,815	7,023	26,264	14,416
Net income	$ 15,300	$ 13,953	$ 38,462	$ 29,539
Net income per common share:
Basic	$ 0.43	$ 0.40	$ 1.09	$ 0.84
Diluted	$ 0.43	$ 0.40	$ 1.09	$ 0.84
Weighted average common shares outstanding:
Basic	35,206	35,099	35,142	35,022
Diluted	35,266	35,169	35,240	35,130
Dividends declared per common share outstanding	$ 0.25		$ 0.25