Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Glossary Antidilution
-URI http://asc.fasb.org/extlink&oid=6505113

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6508534

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-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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-URI http://asc.fasb.org/extlink&oid=6513228

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Net Income Per Common Share Net Income per Common Share (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended		9 Months Ended
	Jul. 13, 2016	Jun. 28, 2016	Jun. 08, 2016	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Anti-dilutive securities (in shares)				24,000	15,000	13,000	5,000
Cash dividends declared per share				$ 0.8100	$ 0.6225	$ 2.0550	$ 1.4525
Payments of Dividends				$ 29,300	$ 22,600	$ 74,530	$ 52,778
Scenario, Forecast [Member]
Cash dividends declared per share			$ 0.8100
Dividends Payable, Date to be Paid	Jul. 13, 2016
Dividends Payable, Date of Record		Jun. 28, 2016