Stock Option Plans - Additional information (Detail) - USD ($) $ / shares in Units, $ in Millions					12 Months Ended
	Mar. 15, 2023	May 10, 2022	Mar. 15, 2022	Mar. 16, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Feb. 01, 2022
Stock Option Plans [Line Items]
Compensation expense related to stock option grants					$ 33.5	$ 27.9	$ 17.5
Total intrinsic value of options exercised					181.6	$ 168.2	$ 127.4
Total unrecognized compensation cost related to nonvested options					$ 106.6
Weighted average period, years					4 years
Black-Scholes Option Pricing Model [Member]
Stock Option Plans [Line Items]
Weighted average fair value per option for all options					$ 46.48	$ 33.25	$ 23.38
Long Term Incentive Plan [Member]
Stock Option Plans [Line Items]
Stock option granted, Share pool		13,500,000
Shares against the pool		3.8
Maximum number of shares available		3,500,000			2,800,000
Number Of Periods Options Expire					7 years
Shares available for grant					12,200,000
Long Term Incentive Plan [Member] | Officer and Key Employees [Member]
Stock Option Plans [Line Items]
Shares available for grant	1,131,000		1,141,000					1,197,000
Long Term Incentive Plan [Member] | Maximum [Member]
Stock Option Plans [Line Items]
Minimum exercise price of stock options, percent of fair market value of a share of common stock on the date of grant					100.00%
2017 Long Term Incentive Plan [Member] | Officer and Key Employees [Member]
Stock Option Plans [Line Items]
Shares available for grant				1,640,000
Stock options granted, exercise percentage, on the third anniversary date of the grant	34.00%		34.00%	34.00%
Stock options granted, exercise percentage, on the fourth anniversary date of the grant	33.00%		33.00%	33.00%
Stock options granted, exercise percentage, on the fifth anniversary date of the grant	33.00%		33.00%	33.00%
2017 Long Term Incentive Plan [Member] | Maximum [Member]
Stock Option Plans [Line Items]
Maximum period for the exercise of stock options, years					7 years	7 years	7 years
2017 Long Term Incentive Plan [Member] | Minimum [Member]
Stock Option Plans [Line Items]
Period of service from grant date stock options awarded not subject to forfeiture					2 years	2 years	2 years
2017 Long Term Incentive Plan [Member] | Minimum [Member] | Executive Officer [Member]
Stock Option Plans [Line Items]
Minimum age of employee with not subject to award forfeiture on condition compliance					55 years	55 years	55 years