Goodwill & Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill by reportable business segment for the years ended December 31, 2017 and 2016 were as follows (in thousands):

				Professional			Sandy			Performance
	Learning			& Technical			Training &			Readiness
	Solutions			Services			Marketing			Solutions			Total
Net book value at
January 1, 2016
Goodwill	$	51,901		$	51,532		$	6,161		$	27,798		$	137,392
Accumulated impairment losses	(2,079		)	(7,830		)	(5,508		)	—			(15,417		)
Total	49,822			43,702			653			27,798			121,975
2016 Activity:
Foreign currency translation	(2,571		)	(1,338		)	—			(233		)	(4,142		)
Net book value at
December 31, 2016
Goodwill	51,158			50,194			6,161			35,676			143,189
Accumulated impairment losses	(2,079		)	(7,830		)	(5,508		)	—			(15,417		)
Total	49,079			42,364			653			35,676			127,772
2017 Activity:
Acquisitions	6,424			—			—			6,286			12,710
Foreign currency translation	3,366			679			—			308			4,353
Net book value at
December 31, 2017
Goodwill	60,948			50,873			6,161			42,270			160,252
Accumulated impairment losses	(2,079		)	(7,830		)	(5,508		)	—			(15,417		)
Total	$	58,869		$	43,043		$	653		$	42,270		$	144,835

Schedule of Finite-Lived Intangible Assets

Intangible assets with finite lives are subject to amortization over their estimated useful lives. The primary assets included in this category and their respective balances were as follows (in thousands):

December 31, 2017
	Gross Carrying		Accumulated			Net Carrying
	Amount		Amortization			Amount
Customer relationships	$	16,330	$	(11,140	)	$	5,190
Intellectual property and other	4,298		(1,125		)	3,173
	$	20,628	$	(12,265	)	$	8,363
December 31, 2016
Customer relationships	$	14,595	$	(9,855	)	$	4,740
Intellectual property and other	2,311		(1,226		)	1,085
	$	16,906	$	(11,081	)	$	5,825

Schedule of Estimated Future Amortization Expense

Estimated future amortization expense for intangible assets included in our consolidated balance sheet as of December 31, 2017 is as follows (in thousands):

Fiscal year ending:
2018	$	3,180
2019	2,264
2020	1,597
2021	1,082
2022	240
Total	$	8,363