Debt Obligations (Detail 2) | Aug. 23, 2016USD ($) | Nov. 04, 2016USD ($) | Oct. 30, 2015USD ($) | Jul. 31, 2019 | Jul. 31, 2018 | Nov. 04, 2016USD ($) | Oct. 30, 2015USD ($) | Aug. 31, 2021 | Jan. 29, 2016USD ($) |
Debt Instrument [Line Items] | | | | | | | | | |
Credit facility, maximum borrowing capacity | | $ 1,300,000,000 | | | | $ 1,300,000,000 | | | |
Principal amount of long-term debt | | 1,060,000,000 | | | | 1,060,000,000 | | | $ 1,087,000,000 |
Interest expenses associated with the amendment | | $ 15,000,000 | $ 14,000,000 | | | 41,000,000 | $ 31,000,000 | | |
Deferred financing fees | | | | | | $ 2,000,000 | $ 17,000,000 | | |
Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Interest expenses associated with the amendment | $ 5,000,000 | | | | | | | | |
Write-offs of unamortized debt issuance costs | 2,000,000 | | | | | | | | |
Deferred financing fees | $ 2,000,000 | | | | | | | | |
Credit Agreement financial covenant, description | | | | | | The Credit Facility contains certain restrictive covenants applicable to the Company and its subsidiaries including a requirement to maintain a Senior Secured Leverage Ratio (as defined in the Second Amended and Restated Credit Agreement) of not greater than 4.00 to 1.00 until July 31, 2016, and not greater than 3.75 to 1.00 thereafter, and requires the Company to make an annual prepayment as a portion of its Excess Cash Flow (as defined in the Second Amended and Restated Credit Agreement). | | | |
Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | Maximum | Until July 31, 2016 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Credit Agreement financial covenant, leverage ratio | | 4 | | | | 4 | | | |
Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | Maximum | After July 31, 2016 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Credit Agreement financial covenant, leverage ratio | | 3.75 | | | | 3.75 | | | |
Term Loan A Facility due August 2021 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Principal amount of long-term debt | | $ 660,000,000 | | | | $ 660,000,000 | | | 551,000,000 |
Term Loan A Facility due August 2021 | Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt instrument maturity period | 2021-08 | | | | | | | | |
Transfer of principle outstanding from term loan B facility to term loan A facility | $ 132,000,000 | | | | | | | | |
Term Loan A Facility due August 2021 | Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | Scenario Forecast | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Percentage of principal amount outstanding | | | | 1.875% | 1.25% | | | 2.50% | |
Term Loan A Facility due August 2021 | Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | Minimum | Eurocurrency Rate | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Interest rate margin under credit agreement | | | | | | 1.50% | | | |
Term Loan A Facility due August 2021 | Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | Minimum | Base Rate | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Interest rate margin under credit agreement | | | | | | 0.50% | | | |
Term Loan A Facility due August 2021 | Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | Maximum | Eurocurrency Rate | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Interest rate margin under credit agreement | | | | | | 2.25% | | | |
Term Loan A Facility due August 2021 | Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | Maximum | Base Rate | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Interest rate margin under credit agreement | | | | | | 1.25% | | | |
Term Loan B Facility due May 2022 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Principal amount of long-term debt | | 400,000,000 | | | | $ 400,000,000 | | | $ 536,000,000 |
Term Loan B Facility due May 2022 | Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Interest rate margin under credit agreement | | | | | | 2.50% | | | |
Term Loan B Facility due May 2022 | Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | Eurocurrency Rate | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Debt instrument floor rate | | | | | | 0.75% | | | |
Term Loan B Facility due May 2022 | Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | Base Rate | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Interest rate margin under credit agreement | | | | | | 1.50% | | | |
Revolving Credit Facility | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Credit facility, maximum borrowing capacity | | $ 200,000,000 | | | | $ 200,000,000 | | | |
Revolving Credit Facility | Second Amended and Restated Credit Agreement, as Amended on August 23, 2016 | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | |
Credit facility termination period | 2021-08 | | | | | | | | |