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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended																12 Months Ended
	Jul. 31, 2015	[1]	Apr. 30, 2015	[1]	Jan. 31, 2015	[1]	Oct. 31, 2014	[1]	Jul. 31, 2014	[1]	Apr. 30, 2014	[1]	Jan. 31, 2014	[1]	Oct. 31, 2013	[1]	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2013
Income From Continuing Operations Before Taxes [Abstract]
US																	$ 286,169	$ 218,450	$ 236,118
Non-U.S.																	45,900	51,585	40,754
Income before income taxes	$ 81,446		$ 88,296		$ 80,104		$ 82,223		$ 73,884		$ 61,318		$ 70,588		$ 64,245		$ 332,069	$ 270,035	$ 276,872
[1] Earnings per share were computed independently for each of the periods presented; therefore, the sum of the earnings per share amounts for the quarters may not equal the total for the year.

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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-Publisher FASB



-Name Accounting Standards Codification



-Topic 235



-SubTopic 10



-Section S99



-Paragraph 1



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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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