Other Financial Data (Tables)

12 Months Ended

Dec. 31, 2020

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Summary of Major Classes of Other Current Assets

Major classes of other current assets consist of the following (in millions):

	December 31,
	2020		2019
Premium finance advances and loans	$	442.7	$	388.1
Accrued supplemental, direct bill and other receivables		361.7		369.1
Refined coal production related receivables		95.4		103.4
Deferred contract costs		102.0		98.3
Prepaid expenses		112.1		115.5
Total other current assets	$	1,113.9	$	1,074.4