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EARNINGS (LOSS) PER SHARE (Tables)
 6 Months Ended
Apr. 30, 2017
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The details of the computation of basic and diluted earnings (loss) per ordinary share are as follows:
 
Three months ended April 30,
 
Six months ended April 30,
 
2017
 
2016
 
2017
 
2016
Numerator (in millions):
 
 
 
 
 
 
 
Income (loss) from continuing operations
$
27.6

 
$
1.9

 
$
55.9

 
$
(18.1
)
Loss from discontinued operations
$
—

 
$
(1.0
)
 
$
—

 
$
(3.1
)
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
Weighted-average number of shares of ordinary shares - basic
145,136,214

 
115,609,756

 
145,132,349

 
115,609,756

Effect of dilutive securities:
 
 
 
 
 
 
 
Restricted stock units
1,092,951

 
—

 
1,116,435

 
—

Stock options
37,963

 
—

 
27,567

 
—

Weighted-average number of shares of ordinary shares - diluted
146,267,128

 
115,609,756

 
146,276,351

 
115,609,756

 
 
 
 
 
 
 
 
Earnings (loss) per ordinary share - basic:
 
 
 
 
 
 
 
From continuing operations
$
0.19

 
$
0.02

 
$
0.39

 
$
(0.16
)
From discontinued operations
$
—

 
$
(0.01
)
 
$
—

 
$
(0.03
)
 
 
 
 
 
 
 
 
Earnings (loss) per ordinary share - diluted:
 
 
 
 
 
 
 
From continuing operations
$
0.19

 
$
0.02

 
$
0.38

 
$
(0.16
)
From discontinued operations
$
—

 
$
(0.01
)
 
$
—

 
$
(0.03
)