Fair Values (Fair Value Of Outstanding Derivatives In Consolidated Balance Sheets) (Details) - USD ($) $ in Millions		Oct. 31, 2015	Jul. 31, 2015
Fair Value, Assets, Liabilities and Stockholders' Equity Measured on Recurring Basis [Abstract]
Asset derivatives recorded under the caption Prepaids and other current assets, Foreign exchange contracts	[1]	$ 3.0	$ 3.6
Liability derivatives recorded under the caption Other current liabilities, Foreign exchange contracts	[1]	(2.9)	(2.2)
Forward exchange contracts - net asset (liability) position	[1]	$ 0.1	$ 1.4

[1] Inputs to the valuation methodology of Level 2 assets include quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in inactive markets; inputs other than quoted prices that are observable for the asset or liability; and inputs that are derived principally from or corroborated by observable market data by correlation or other means.