Earnings Per Share Information (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Earnings Per Share [Abstract]
Net income as reported	$ 96,499	$ 56,876
Basic weighted-average shares	126,060	138,145
Common stock equivalents	1,502	1,744
Diluted weighted-average shares	127,562	139,889
Debt Instrument [Line Items]
Shares issued under stock incentive and employee stock purchase plans	456	547
Restricted Stock Units RSU And Employee Stock Option Member [Member]
Debt Instrument [Line Items]
Weighted-average number of antidilutive options and restricted stock units	589	675