Income Taxes Income Tax Examinations (Details) $ in Millions	3 Months Ended
	Jan. 31, 2017 USD ($)
Income Tax Examination Penalties And Interest Expense [Abstract]
Brief description on the Company's income tax examinations	The Company is generally no longer subject to income tax examinations by U.S. federal, state, local or non-U.S. taxing authorities for fiscal years prior to fiscal 2013.
Unrecognized Deferred Tax [Abstract]
Temporary difference on indefinitely reinvested undistributed earnings of the Company's Canadian, UK and Australian subsidiaries	$ 51.4
Unrecognized deferred income tax liability related to the temporary difference on indefinitely reinvested undistributed earnings of Company's Canadian, UK and Australian subsidiaries	$ 6.3