Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of the Goodwill Balances by Component and Segment

The changes in the carrying amount of goodwill are as follows:

(in thousands)	GES U.S.		GES International			Pursuit		Total
Balance at December 31, 2015	$	112,300	$	38,635		$	34,288	$	185,223
Business acquisitions		35,977		—			35,681		71,658
Foreign currency translation adjustments		—		(4,175	)		1,316		(2,859	)
Balance at December 31, 2016		148,277		34,460			71,285		254,022
Business acquisitions		—		1,060			7,094		8,154
Foreign currency translation adjustments		—		3,320			5,055		8,375
Balance at December 31, 2017	$	148,277	$	38,840		$	83,434	$	270,551

Goodwill by reporting unit and segment

The following table summarizes goodwill by reporting unit and segment:

	December 31,
(in thousands)	2017		2016
GES:
U.S.	$	148,277	$	148,277
International:
GES EMEA		31,612		27,694
GES Canada		7,228		6,766
Total GES		187,117		182,737
Pursuit:
Banff Jasper Collection		35,305		32,587
Alaska Collection		3,184		3,184
Glacier Park Collection		1,268		1,268
FlyOver		43,677		34,246
Total Pursuit		83,434		71,285
Total Goodwill	$	270,551	$	254,022

Summary of Other Intangible Assets

Other intangible assets consisted of the following:

	December 31, 2017							December 31, 2016
(in thousands)	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Amortized intangible assets:
Customer contracts and relationships	$	68,798	$	(23,696	)	$	45,102	$	67,762	$	(14,345	)	$	53,417
Operating contracts and licenses		9,951		(1,094	)		8,857		9,315		(652	)		8,663
Tradenames		8,633		(2,873	)		5,760		8,324		(1,440	)		6,884
Non-compete agreements		5,363		(3,007	)		2,356		5,190		(1,369	)		3,821
Other		896		(650	)		246		886		(458	)		428
Total amortized intangible assets		93,641		(31,320	)		62,321		91,477		(18,264	)		73,213
Unamortized intangible assets:
Business licenses		460		—			460		460		—			460
Other intangible assets	$	94,101	$	(31,320	)	$	62,781	$	91,937	$	(18,264	)	$	73,673

Estimated Amortization Expense Related to Amortized Intangible Assets

The estimated future amortization expense related to amortized intangible assets held at December 31, 2017 is as follows:

(in thousands)
Year ending December 31,
2018	$	11,013
2019		9,945
2020		8,444
2021		7,447
2022		5,895
Thereafter		19,577
Total	$	62,321