Deferred Acquisition Costs Deferred Acquisition Costs (Tables)

9 Months Ended

Sep. 30, 2020

Deferred Policy Acquisition Costs Disclosures [Abstract]

Deferred Policy Acquisition Costs [Table Text Block]

The following table sets forth net deferred acquisition costs for the three and nine months ended September 30, 2020 and 2019:

($ millions)	2020		2019
Beginning balance at July 1	$	120.0	$	109.1
Acquisition costs deferred	98.4		94.6
Acquisition costs amortized to expense	(94.7)		(89.4)
Ending balance at September 30	$	123.7	$	114.3
Beginning balance at January 1	$	111.1	$	101.9
Acquisition costs deferred	289.8		270.6
Acquisition costs amortized to expense	(277.2)		(258.2)
Ending balance at September 30	$	123.7	$	114.3