Derivative Instruments and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2023

Gains or Losses Recognized in AOCI for the Cash Flow Hedges

The following tables provide information on gains recognized in AOCL for the cash flow hedges for the periods indicated:

	Years ended December 31,
	2023		2022		2021
$ in millions (net of tax)	Interest Rate Hedge		Interest Rate Hedge		Interest Rate Hedge
Beginning accumulated derivative gain in AOCL	$	12.0	$	12.8	$	13.6
Net gains reclassified to earnings:
Interest expense	(0.8)		(0.8)		(0.8)
Ending accumulated derivative gain in AOCL	$	11.2	$	12.0	$	12.8
Portion expected to be reclassified to earnings in the next twelve months	$	(0.8)