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Commitments and Contingencies (Details) - USD ($) $ in Millions | Apr. 23, 2016 | Jul. 25, 2015
--- | --- | ---
Loss Contingencies [Line Items] |  |
Letters of credit outstanding amount | $ 57.7 | $ 54.4
Standby Letters of Credit |  |
Loss Contingencies [Line Items] |  |
Letters of credit outstanding amount | 57.7 | 54.4
Performance Guarantee and Surety Bond |  |
Loss Contingencies [Line Items] |  |
Outstanding performance and other surety contract bonds | $ 242.0 | $ 294.9

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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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