Accumulated Other Comprehensive Income - Tax Effects on Each Component of Accumulated Other Comprehensive Income Recognized in Statements of Comprehensive Income (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Foreign currency cumulative translation adjustments, before tax	$ 7.5	$ (1.1)
Unrealized cash flow hedge gains, before tax	11.1	21.0
Reclassification adjustments on cash flow hedges, before tax	(22.9)	(5.0)
Adjustments to prior service cost and unrecognized actuarial assumptions, before tax	(1.0)	1.3
Total Other Comprehensive (Loss) Income	(5.3)	16.2
Foreign currency cumulative translation adjustments, tax	(4.9)	(2.4)
Unrealized cash flow hedge gains, tax	2.3	7.3
Reclassification adjustments on cash flow hedges, tax	(3.9)	(0.7)
Adjustments to prior service cost and unrecognized actuarial assumptions, tax	(0.1)	0.4
Other Comprehensive Income, tax	(6.6)	4.6
Foreign currency cumulative translation adjustments, net of tax	12.4	1.3
Unrealized cash flow hedge gains, net of tax	8.8	13.7
Reclassification adjustments on cash flow hedges, net of tax	(19.0)	(4.3)
Adjustments to prior service cost and unrecognized actuarial assumptions, net of tax	(0.9)	0.9
Total Other Comprehensive Income (Loss)	$ 1.3	$ 11.6