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Earnings (Loss) Per Share (Tables)
 9 Months Ended
Jul. 31, 2016
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 July 31,
 
Nine months ended July 31,
 
2016
 
2015
 
2016
 
2015
Numerator (in millions):
 
 
 
 
 
 
 
Income (loss) from continuing operations
$
8.8

 
$
1.2

 
$
(9.3
)
 
$
(5.9
)
Income (loss) from discontinued operations
$
—

 
$
(22.8
)
 
$
(3.1
)
 
$
(3.1
)
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
Weighted-average number of shares of ordinary shares - basic
119,171,373

 
115,609,756

 
116,796,962

 
115,609,756

Effect of dilutive securities:
 
 
 
 
 
 
 
Restricted stock units
707,461

 
—

 
—

 
—

Stock options
73,201

 
—

 
—

 
—

Weighted-average number of shares of ordinary shares - diluted
119,952,035

 
115,609,756

 
116,796,962

 
115,609,756

 
 
 
 
 
 
 
 
Earnings (loss) per ordinary share - basic:
 
 
 
 
 
 
 
From continuing operations
$
0.07

 
$
0.01

 
$
(0.08
)
 
$
(0.05
)
From discontinued operations
$
—

 
$
(0.20
)
 
$
(0.03
)
 
$
(0.03
)
 
 
 
 
 
 
 
 
Earnings (loss) per ordinary share - diluted:
 
 
 
 
 
 
 
From continuing operations
$
0.07

 
$
0.01

 
$
(0.08
)
 
$
(0.05
)
From discontinued operations
$
—

 
$
(0.20
)
 
$
(0.03
)
 
$
(0.03
)