Stock Plans - Compensation Expense and Related Income Tax Benefit for Share-Based Awards (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	$ 44.7	$ 38.6	$ 36.3
Related income tax benefit	5.6	4.8	5.1
Selling, general and administrative expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	38.4	32.2	28.7
Cost of sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	3.9	4.0	4.7
Research and development expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation expense	$ 2.4	$ 2.4	$ 2.9