Liabilities For Outstanding Claims, Losses And Loss Adjustment Expenses (Tables)

3 Months Ended

Mar. 31, 2019

Insurance [Abstract]

Schedule of Liability for Unpaid Losses and Loss Adjustment Expenses

The table below provides a reconciliation of the gross beginning and ending reserve for unpaid losses and loss adjustment expenses.

	Three Months Ended
	March 31,
(in millions)	2019			2018
Gross loss and LAE reserves, beginning of period	$	5,304.1		$	5,058.5
Reinsurance recoverable on unpaid losses		1,472.6			1,455.0
Net loss and LAE reserves, beginning of period		3,831.5			3,603.5
Net incurred losses and LAE in respect of losses occurring in:
Current year		712.8			677.4
Prior years		(13.2	)		(6.5	)
Total incurred losses and LAE		699.6			670.9
Net payments of losses and LAE in respect of losses    occurring in:
Current year		175.3			181.0
Prior years		459.1			425.5
Total payments		634.4			606.5
Net reserve for losses and LAE, end of period		3,896.7			3,667.9
Reinsurance recoverable on unpaid losses		1,484.9			1,420.0
Gross reserve for losses and LAE, end of period	$	5,381.6		$	5,087.9