Intangible Assets (Narrative) (Details)	3 Months Ended
	Jan. 31, 2016 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Impairment Loss	$ 0
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2016	56,700,000
2017	51,200,000
2018	49,300,000
2019	46,700,000
2020	$ 36,400,000