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

12 Months Ended

Dec. 31, 2019

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)	2019		2018			2017
Commissions	$	241.3	$	280.4		$	255.9
General expenses	379.1		351.7			359.1
Premium taxes, boards and bureaus	33.0		32.5			32.3
	653.4		664.6			647.3
Net deferral of policy acquisition costs	12.4		(9.9		)	(11.9		)
Total underwriting, acquisition and insurance expenses	$	665.8	$	654.7		$	635.4