Income Taxes - Provision/(Benefit) for Income Taxes and Income Taxes Paid (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal	$ 175.3	$ 44.3	$ (58.4)
State	16.1	7.2	2.7
Foreign	(14.7)	104.1	(79.7)
Current, Total	176.7	155.6	(135.4)
Deferred:
Federal	(74.8)	(83.5)	(12.7)
State	1.6	(19.4)	(10.0)
Foreign	8.8	0.8	62.1
Deferred, Total	(64.4)	(102.1)	39.4
Provision (benefit) for income taxes	112.3	53.5	(96.0)
Net income taxes paid	$ 326.6	$ 258.4	$ 142.0

Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction.

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Amount of current state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction.

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