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Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Income (loss) from continuing operations	$ 8.8	$ 1.2	$ (9.3)	$ (5.9)
Income (loss) from discontinued operations	$ 0.0	$ (22.8)	$ (3.1)	$ (3.1)
Weighted-average number of shares of ordinary shares - basic	119,171,373		116,796,962
Effect of dilutive securities:
Dilutive securities			780,662
Weighted-average number of shares of ordinary shares - diluted	119,952,035		116,796,962
Earnings (loss) per ordinary share - basic:
Earnings (loss) per share - basic, from continuing operations (in USD per share)	$ 0.07		$ (0.08)
Earnings (loss) per share - basic, from discontinued operations (in USD per share)	0.00		(0.03)
Earnings (loss) per ordinary share - diluted:
Earnings (loss) per share - diluted, from continuing operations (in USD per share)	0.07		(0.08)
Earnings (loss) per share - diluted, from discontinued operations (in USD per share)	$ 0.00		$ (0.03)
Restricted Stock Units
Effect of dilutive securities:
Dilutive securities	707,461		0
Stock Options
Effect of dilutive securities:
Dilutive securities	73,201		0