Earnings Per Share (Tables)

9 Months Ended

Jul. 31, 2022

Earnings Per Share [Abstract]

Schedule of earnings per share

Periods Ended July 31,	Three Months				Nine Months
(In millions, except per share amounts)	2022		2021		2022		2021
Net income	$	98.4	$	615.8	$	320.2	$	2,834.4
Basic:
Weighted average common shares	49.3		49.3		49.3		49.2
Basic earnings per share	$	1.99	$	12.50	$	6.49	$	57.61
Diluted:
Weighted average common shares	49.3		49.3		49.3		49.2
Effect of dilutive stock plans	0.3		0.5		0.4		0.5
Diluted weighted average common shares	49.6		49.8		49.7		49.7
Diluted earnings per share	$	1.98	$	12.37	$	6.44	$	57.01

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 that were not included in the diluted earnings per share calculation because their effect would have been antidilutive for the periods presented:

Periods Ended July 31,	Three Months			Nine Months
(In thousands, except exercise prices)	2022	2021		2022	2021
Stock option shares excluded	425	107		224	107
Range of exercise prices	$304.54 - $406.17	$	345.74	$304.54 - $406.17	$	345.74
Restricted stock units excluded	121	5		8	6