OTHER ASSETS, NET (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Intangible Assets
Less accumulated depreciation and amortization	$ (74.6)		$ (74.6)		$ (70.9)
Data processing software, net	39.7		39.7		38.5
Other assets	100.7		100.7		87.3
Total other assets, net	140.4		140.4		125.8
Notes receivable, net	92.0		92.0		79.3
Amortization expense	29.8	$ 30.6	60.4	$ 63.5
Software development work in progress
Intangible Assets
Software	5.5		5.5		5.6
Data processing software
Intangible Assets
Software	108.8		108.8		$ 103.8
Amortization expense	$ 1.8	$ 1.8	$ 3.5	$ 3.5

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs.

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Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

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