Other Intangible Assets, Net

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Other Intangible Assets, Net

Other Intangible Assets, Net

Other intangible assets, net consist of the following:

	March 31, 2019							December 31, 2018
(in thousands)	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Client lists	$	706,819	$	(339,748	)	$	367,071	$	706,253	$	(327,201	)	$	379,052
Non-compete agreements	35,227		(21,465		)	13,762		35,224		(20,156		)	15,068
Tradenames and licenses	131,233		(59,942		)	71,291		131,130		(56,845		)	74,285
	$	873,279	$	(421,155	)	$	452,124	$	872,607	$	(404,202	)	$	468,405

Amortization expense for other intangible assets, net was $16.6 million and $15.2 million for the three months ended March 31, 2019 and 2018, respectively.

Estimated amortization expense for other intangible assets, net is as follows:

(in thousands)
Remainder of 2019	$	47,668
2020	61,947
2021	58,795
2022	56,927
2023	49,311
Thereafter	177,476
	$	452,124