Business Segments (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Reconciliation of Revenue from Segments to Consolidated

The following table sets forth the revenue and operating results attributable to each reportable segment and includes a reconciliation of segment revenue to consolidated revenue and operating results to consolidated income before income tax expense (in thousands):

	Years ended December 31,
	2017			2016			2015
Revenue:
Learning Solutions	$	214,820		$	208,998		$	207,039
Professional & Technical Services	101,051			101,907			119,092
Sandy Training & Marketing	101,104			101,768			87,567
Performance Readiness Solutions	92,233			77,886			76,582
	$	509,208		$	490,559		$	490,280
Gross Profit:
Learning Solutions	$	38,971		$	38,954		$	36,223
Professional & Technical Services	14,426			15,803			23,621
Sandy Training & Marketing	14,524			14,181			11,321
Performance Readiness Solutions	14,106			11,219			10,827
Total gross profit	82,027			80,157			81,992
Selling, general and administrative expenses	57,419			48,597			47,748
Restructuring charges	3,317			—			1,551
Gain (loss) on change in fair value of contingent consideration, net	1,620			(136		)	(371		)
Operating income	22,911			31,424			32,322
Interest expense	3,132			1,568			1,381
Other (expense) income	(90		)	178			(1,318		)
Income before income tax expense	$	19,689		$	30,034		$	29,623

Additional Information Relating To Business Segments

Additional information relating to our business segments is as follows (in thousands): 

	December 31,
	2017		2016
Identifiable assets:
Learning Solutions	$	170,093	$	147,595
Professional & Technical Services	87,014		80,033
Sandy Training & Marketing	29,957		25,804
Performance Readiness Solutions	77,943		62,169
Total assets	$	365,007	$	315,601

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area

Corporate and other assets which consist primarily of cash, other assets, and deferred tax assets and liabilities are allocated to the segments based on their respective percentage of consolidated revenues.

	Years ended December 31,
	2017		2016		2015
Additions to property, plant and equipment:
Learning Solutions	$	1,174	$	548	$	768
Professional & Technical Services	480		146		269
Sandy Training & Marketing	70		13		77
Performance Readiness Solutions	73		39		496
Corporate and other	937		656		747
	$	2,734	$	1,402	$	2,357
Depreciation and amortization:
Learning Solutions	$	2,225	$	2,403	$	3,189
Professional & Technical Services	749		797		1,152
Sandy Training & Marketing	439		429		465
Performance Readiness Solutions	2,023		1,530		1,446
Corporate and other	1,538		1,303		1,613
	$	6,974	$	6,462	$	7,865

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country

Information about our total assets in different geographic regions is as follows (in thousands): 

	December 31,
	2017		2016
United States	$	215,523	$	195,693
United Kingdom	75,862		59,018
Other	73,622		60,890
	$	365,007	$	315,601

Information about our revenue in different geographic regions, which is attributable to our operations located primarily in the United States, United Kingdom and other countries is as follows (in thousands):

	Years ended December 31,
	2017		2016		2015
United States	$	350,632	$	339,329	$	341,581
United Kingdom	100,466		93,017		98,991
Other	58,110		58,213		49,708
	$	509,208	$	490,559	$	490,280