Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The table below presents changes in the carrying amount of goodwill and our accumulated impairment losses (in thousands):

Goodwill (gross) at December 31, 2016	$	194,674
Acquired goodwill	3,068
Foreign currency translation adjustments	1,572
Goodwill (gross) at December 31, 2017	199,314
Accumulated impairment losses at December 31, 2016	(9,879		)
Goodwill impairment	—
Accumulated impairment losses at December 31, 2017	(9,879		)
Goodwill (net) at December 31, 2017	$	189,435
Goodwill (gross) at December 31, 2017	$	199,314
Acquired goodwill	334
Foreign currency translation adjustments	(1,297		)
Goodwill (gross) at December 31, 2018	198,351
Accumulated impairment losses at December 31, 2017	(9,879		)
Goodwill impairment	—
Accumulated impairment losses at December 31, 2018	(9,879		)
Goodwill (net) at December 31, 2018	$	188,472

Other intangible assets

Other intangible assets consisted of the following (in thousands):

	December 31,														Weighted Average Useful Life
	2018							2017
	Intangibles Gross		Accumulated Amortization			Intangibles Net		Intangibles Gross		Accumulated Amortization			Intangibles Net
Horizon tradename	$	8,400	$	—		$	8,400	$	8,400	$	—		$	8,400	Indefinite
Pool Systems tradename and trademarks	1,002		—			1,002		1,109		—			1,109		Indefinite
National Pool Tile (NPT) tradename	1,500		(812		)	688		1,500		(738		)	762		20
Non-compete agreements	5,019		(3,157		)	1,862		5,078		(2,243		)	2,835		4.89
Patents	473		(421		)	52		523		(406		)	117		5
Total other intangibles	$	16,394	$	(4,390	)	$	12,004	$	16,610	$	(3,387	)	$	13,223

Estimated amortization expense for other intangible assets for next five years

The table below presents estimated amortization expense for other intangible assets for the next five years (in thousands):

2019	$	953
2020	866
2021	298
2022	108
2023	75