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Debt Senior Credit Agreement (Details) |  | 3 Months Ended |
--- | --- | --- | ---
Sep. 09, 2015 USD ($) | Jan. 28, 2017 USD ($) | Jul. 30, 2016 USD ($)
Line of Credit Facility [Line Items] |  |  |
Debt Instrument, Increase (Decrease), Net |  | $ 35,000,000 |
Debt Instrument, Covenant Compliance, Consolidated Leverage Ratio, Maximum |  | 3.50 |
Letters of credit outstanding amount |  | $ 57,600,000 |
Debt Instrument, Covenant Compliance, Consolidated Interest Coverage Ratio, Maximum |  | 3.00 |
Additional borrowing availability |  |  | $ 392,400,000
Standby Letters of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Line of credit current borrowing capacity | $ 200,000,000 |  |
Letters of credit outstanding amount |  | $ 57,600,000 | $ 57,600,000
Incremental Facility, Minimum [Member] |  |  |
Line of Credit Facility [Line Items] |  |  |
Debt Instrument, Face Amount | 150,000,000 |  |
Credit Agreement - Term Loan (matures April 2020) |  |  |
Line of Credit Facility [Line Items] |  |  |
Debt Instrument, Face Amount | $ 385,000,000 |  |
Debt Instrument, Covenant Compliance, Consolidated Leverage Ratio, Maximum | 2.25 |  |
Credit Agreement - Revolving facility (matures April 2020) |  |  |
Line of Credit Facility [Line Items] |  |  |
Line of credit current borrowing capacity | $ 450,000,000 |  |

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Net increase or decrease in the carrying amount of the debt instrument for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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