XML 49 R39.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Supplementary Balance Sheet Information (Changes In Goodwill Amount) (Details) - USD ($) $ in Thousands | Jan. 31, 2016 | Jul. 31, 2015
--- | --- | ---
Goodwill, beginning balance | $ 500,433 | $ 469,678
Goodwill, ending balance | $ 506,957 | $ 500,433

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant