CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Sales	$ 327,178	$ 308,028	$ 971,721	$ 905,191
Cost of sales	234,474	223,958	702,830	659,560
Gross profit	92,704	84,070	268,891	245,631
Selling, general and administrative expenses	70,987	67,257	209,511	197,609
Income from operations	21,717	16,813	59,380	48,022
Other (income) expense, net	(25)	120	127	(1,318)
Interest expense	4,986	4,781	14,911	15,959
Income before income taxes	16,756	11,912	44,342	33,381
Provision for income taxes	3,606	3,550	10,655	8,962
Net income	13,150	8,362	33,687	24,419
Net income (loss) attributable to noncontrolling interest	41	(35)	(172)	(91)
Net income attributable to DXP Enterprises, Inc.	13,109	8,397	33,859	24,510
Preferred stock dividend	23	23	68	68
Net income attributable to common shareholders	13,086	8,374	33,791	24,442
Net income	13,150	8,362	33,687	24,419
Currency translation adjustments	(1,281)	3,390	(718)	1,880
Comprehensive income	$ 11,869	$ 11,752	$ 32,969	$ 26,299
Earnings per share :
Basic (in dollars per share)	$ 0.74	$ 0.48	$ 1.92	$ 1.39
Diluted (in dollars per share)	$ 0.71	$ 0.46	$ 1.84	$ 1.33
Weighted average common shares outstanding :
Basic (in shares)	17,602	17,564	17,588	17,547
Diluted (in shares)	18,442	18,404	18,428	18,387