Underwriting, Acquisition and Insurance Expenses & Other Corporate Expenses (Tables)

12 Months Ended

Dec. 31, 2020

Underwriting Acquisition And Insurance Expenses [Abstract]

Underwriting, Acquisition and Insurance Expenses

Underwriting, acquisition and insurance expenses were as follows:

	For the Years Ended December 31,
(in millions)	2020		2019		2018
Commissions	$	268.0	$	241.3	$	281.3
General expenses	391.0		379.3		352.2
Premium taxes, boards and bureaus	29.7		33.0		32.5
	688.7		653.6		666.0
Net deferral of policy acquisition costs	(9.3)		12.4		(9.9)
Total underwriting, acquisition and insurance expenses	$	679.4	$	666.0	$	656.1