CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Sales	$ 333,318	$ 311,227	$ 644,543	$ 597,163
Cost of sales	241,331	226,111	468,356	435,602
Gross profit	91,987	85,116	176,187	161,561
Selling, general and administrative expenses	69,140	65,056	138,524	130,352
Income from operations	22,847	20,060	37,663	31,209
Other (income) expense, net	185	(1,416)	152	(1,438)
Interest expense	4,885	6,137	9,925	11,178
Income before income taxes	17,777	15,339	27,586	21,469
Provision for income taxes	4,427	3,776	7,049	5,412
Net income	13,350	11,563	20,537	16,057
Net (loss) income attributable to noncontrolling interest	(109)	1	(213)	(56)
Net income attributable to DXP Enterprises, Inc.	13,459	11,562	20,750	16,113
Preferred stock dividend	22	22	45	45
Net income attributable to common shareholders	13,437	11,540	20,705	16,068
Net income	13,350	11,563	20,537	16,057
Currency translation adjustments	(139)	(1,134)	563	(1,511)
Comprehensive income	$ 13,211	$ 10,429	$ 21,100	$ 14,546
Earnings per share :
Basic (in dollars per share)	$ 0.76	$ 0.66	$ 1.18	$ 0.92
Diluted (in dollars per share)	$ 0.73	$ 0.63	$ 1.13	$ 0.88
Weighted average common shares outstanding :
Basic (in shares)	17,596	17,558	17,581	17,538
Diluted (in shares)	18,436	18,398	18,421	18,378