Stockholders' Equity - Change in AOCI (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
BEGINNING BALANCE	$ 670.3	$ 493.5
ENDING BALANCE	679.2	505.2
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
BEGINNING BALANCE	33.7	40.6
Unrealized gain (loss) in fair value of interest rate derivatives	3.9	(7.1)
Reclassifications of realized net losses to earnings	0.8	0.8
ENDING BALANCE	$ 38.4	$ 34.3