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Share-Based Compensation Plans (Tables)
9 Months Ended
Jul. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of compensation expense and related income tax benefit for share-based awards The compensation expense and related income tax benefit recognized in our Consolidated Statements of Income and Comprehensive Income for share-based awards were as follows:
Periods Ended July 31,Three MonthsNine Months
(In millions)2021202020212020
Selling, general and administrative expense$10.6 $8.1 $28.4 $25.0 
Cost of sales0.9 0.9 2.9 3.1 
Research and development expense0.6 0.6 1.8 1.8 
Total share-based compensation expense$12.1 $9.6 $33.1 $29.9 
Related income tax benefit$1.2 $1.2 $3.6 $3.8