Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income Loss (Detail) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance, value	$ 957.9	$ 1,059.9
Ending balance, value	1,047.5	957.9
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance, value	(270.2)	(256.6)
Other Comprehensive Income	20.9	(13.6)
Ending balance, value	(249.3)	(270.2)
Interest Rate Derivative
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance, value	0.0
Other Comprehensive Income	5.1
Ending balance, value	5.1	0.0
Minimum Pension Liability Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance, value	(128.2)	(120.8)
Other Comprehensive Income	14.2	(7.4)
Ending balance, value	(114.0)	(128.2)
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance, value	(398.4)	(377.4)
Other Comprehensive Income	40.2	(21.0)
Ending balance, value	$ (358.2)	$ (398.4)