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Stockholders' Equity Stockholders' Equity (Tables)
 6 Months Ended
Apr. 30, 2017
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
Analysis of Changes in Accumulated Other Comprehensive Income (Loss):
(In millions)
Foreign Currency Translation Adjustment
 
Minimum Pension Liability
 
Total
Balance at October 31, 2015
$
(171.8
)
 
$
(19.8
)
 
$
(191.6
)
Gross change in value during the year ended October 31, 2016
(289.6
)
 
(13.7
)
 
(303.3
)
Tax effect for the period
—

 
5.3

 
5.3

Balance at October 31, 2016
$
(461.4
)
 
$
(28.2
)
 
$
(489.6
)
Gross change in value during the six months ended April 30, 2017
66.5

 
—

 
66.5

Balance at April 30, 2017
$
(394.9
)
 
$
(28.2
)
 
$
(423.1
)