XML 46 R76.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Derivative Instruments and Hedging Activities - Narrative (Details)
$ in Millions
3 Months Ended
Jan. 31, 2020
USD ($)
Derivative Instruments, Gain (Loss) [Line Items]  
Maximum length of time hedged in cash flow hedge 2 years
Cash flow hedge effectiveness measurement period 2 months
Gains from AOCL to earnings $ 4.6
Forward currency contracts  
Derivative Instruments, Gain (Loss) [Line Items]  
Derivative, notional amount $ 277.6