SEGMENT REPORTING (Tables)

6 Months Ended

Jun. 30, 2019

Segment Reporting [Abstract]

Schedule of Financial Information Regarding Company's Segments

The following table sets out financial information related to the Company's segments excluding amortization (in thousands):

	Three Months Ended June 30,
	2019								2018
	SC		IPS		SCS		Total		SC		IPS		SCS		Total
Product sales (recognized at a point in time)	$	184,444	$	—	$	48,385	$	232,829	$	176,191	$	—	$	40,127	$	216,318
Inventory management services (recognized over contract life)	—		—		3,927		$	3,927	—		—		3,267		$	3,267
Staffing services (day-rate basis)	15,534		—		—		$	15,534	17,385		—		—		$	17,385
Customized pump production (recognized over time)	—		81,028		—		$	81,028	—		74,257		—		$	74,257
Total Revenue	$	199,978	$	81,028	$	52,312	$	333,318	$	193,576	$	74,257	$	43,394	$	311,227
Income from operations	$	23,230	$	12,028	$	3,784	$	39,042	$	21,933	$	8,956	$	4,255	$	35,144

	Six Months Ended June 30,
	2019								2018
	SC		IPS		SCS		Total		SC		IPS		SCS		Total
Product sales (recognized at a point in time)	$	356,112	$	—	$	94,770	$	450,882	$	336,734	$	—	$	79,830	$	416,564
Inventory management services (recognized over contract life)	—		—		7,865		$	7,865	—		—		6,497		$	6,497
Staffing services (day-rate basis)	30,045		—		—		$	30,045	32,203		—		—		$	32,203
Customized pump production (recognized over time)	—		155,751		—		$	155,751	—		141,899		—		$	141,899
Total Revenue	$	386,157	$	155,751	$	102,635	$	644,543	$	368,937	$	141,899	$	86,327	$	597,163
Income from operations	$	42,210	$	18,827	$	7,870	$	68,907	37,762		15,338		8,309		$	61,409

Schedule of Reconciliation of Operating Income for Reportable Segments to Consolidated Income Before Taxes

The following table presents reconciliations of operating income for reportable segments to the consolidated income before taxes (in thousands):

	Three Months Ended June 30,					Six Months Ended June 30,
	2019		2018			2019		2018
Operating income for reportable segments	$	39,042	$	35,144		$	68,907	$	61,409
Adjustment for:
Amortization of intangible assets	3,803		4,119			7,617		8,477
Corporate expenses	12,392		10,965			23,627		21,723
Income from operations	$	22,847	$	20,060		37,663		31,209
Interest expense	4,885		6,137			9,925		11,178
Other income, net	185		(1,416		)	152		(1,438		)
Income before income taxes	$	17,777	$	15,339		$	27,586	$	21,469

Schedule of Company's Identifiable Assets by Segments

The Company's identifiable assets by segments are as follows (in thousands):

	As of June 30, 2019		As of December 31, 2018
Service Centers	$	456,310	$	402,944
Innovative Pumping Solutions	227,085		188,765
Supply Chain Services	61,835		53,517
Total Identifiable Assets	$	745,230	$	645,226