NET INCOME PER COMMON SHARE (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Schedule of Net Income Per Common Share

Net income per common share was computed as follows:

(In millions, except per share amounts)	2022		2021		2020
(A) Net income	$	757.1	$	740.1	$	555.9
(B) Weighted average number of common shares outstanding	81.6		82.9		83.4
Dilutive shares (additional common shares issuable under stock-based awards)	.6		.9		.7
(C) Weighted average number of common shares outstanding, assuming dilution	82.2		83.8		84.1
Net income per common share (A) ÷ (B)	$	9.28	$	8.93	$	6.67
Net income per common share, assuming dilution (A) ÷ (C)	$	9.21	$	8.83	$	6.61