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Stockholders' Equity (Tables)
 6 Months Ended
Apr. 30, 2018
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
Analysis of Changes in Accumulated Other Comprehensive (Loss) Income:
(In millions)
Foreign Currency Translation Adjustment
 
Minimum Pension Liability
 
Total
Balance at October 31, 2016
$
(461.4
)
 
$
(28.2
)
 
$
(489.6
)
Gross change in value during the year ended October 31, 2017
107.7

 
10.8

 
118.5

Tax effect for the period
—

 
(4.2
)
 
(4.2
)
Balance at October 31, 2017
$
(353.7
)
 
$
(21.6
)
 
$
(375.3
)
Gross change in value during the six months ended April 30, 2018
59.3

 
—

 
59.3

Balance at April 30, 2018
$
(294.4
)
 
$
(21.6
)
 
$
(316.0
)