Earnings Per Share (Tables)

3 Months Ended

Jan. 31, 2021

Earnings Per Share [Abstract]

Schedule of earnings per share

Three Months Ended January 31,
(In millions, except per share amounts)	2021		2020
Net income	$	2,101.1	$	90.5
Basic:
Weighted average common shares	49.1		49.1
Basic earnings per share	$	42.77	$	1.84
Diluted:
Weighted average common shares	49.1		49.1
Effect of dilutive stock options	0.6		0.6
Diluted weighted average common shares	49.7		49.7
Diluted earnings per share	$	42.31	$	1.82

Schedule of stock options and restricted stock units that were not included in the diluted earnings per share calculation

The following table sets forth stock options to purchase our common stock and restricted stock units that were not included in the diluted earnings per share calculation because their effect would have been antidilutive for the periods presented:

Three Months Ended January 31,
(In thousands, except exercise prices)	2021	2020
Stock option shares excluded	317	198
Range of exercise prices	$304.54 – $345.74	$254.77
Restricted stock units excluded	—	1