Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net income (loss)	$ 47.3	$ (0.9)	$ 18.6	$ 39.1
Other comprehensive income (loss), net of tax:
Unrealized foreign currency translation gain (loss)	11.7	(60.3)	25.8	(88.3)
Total other comprehensive income (loss) for the period	18.1	(37.6)	31.0	(54.3)
Comprehensive income (loss)	65.4	(38.5)	49.6	(15.2)
Comprehensive loss (income) attributable to noncontrolling interests	0.0	1.4	(5.0)	2.2
Comprehensive income (loss) attributable to Kennedy-Wilson Holdings, Inc.	65.4	(37.1)	44.6	(13.0)
Currency Derivative Contracts
Other comprehensive income (loss), net of tax:
Unrealized forward contract forward currency gain (loss) and unrealized gain (loss) on interest rate swaps	6.4	21.8	5.2	30.1
Interest Rate Swaps
Other comprehensive income (loss), net of tax:
Unrealized forward contract forward currency gain (loss) and unrealized gain (loss) on interest rate swaps	$ 0.0	$ 0.9	$ 0.0	$ 3.9