OTHER ASSETS, NET

3 Months Ended

Mar. 31, 2021

7. OTHER ASSETS, NET

Other assets, net consisted of the following as of March 31, 2021 and December 31, 2020 (in millions):


	March 31,		December 31,
	2021		2020
Software development work in progress	$	10.4	$	8.4
Data processing software		92.5		92.6
Less accumulated depreciation and amortization		(65.3)		(63.5)
Data processing software, net		37.6		37.5
Other assets (1)		45.7		38.8
Other assets, net	$	83.3	$	76.3

(1)

At March 31, 2021 and December 31, 2020, the majority of the balance included long-term prepaid assets and notes receivable. See Note 6 (“Credit Losses”) for more information on the notes receivable included within other assets, net on the condensed consolidated balance sheets. As of March 31, 2021 and December 31, 2020, the notes receivable, net balance was $39.7 million and $32.6 million, respectively.

Amortization expense related to data processing software was $1.7 million and $1.8 million for the three months ended March 31, 2021 and 2020, respectively.