Goodwill (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Value of Goodwill by Operating Segment

three months ended March 31, 2019 are as follows:

(in thousands)	Retail		National Programs		Wholesale Brokerage		Services		Total
Balance as of December 31, 2018	$	2,063,150	$	926,206	$	291,622	$	151,808	$	3,432,786
Goodwill of acquired businesses	55,117		—		6,063		19,252		80,432
Balance as of March 31, 2019	$	2,118,267	$	926,206	$	297,685	$	171,060	$	3,513,218