Condensed Consolidated Financial Statements (Policies)	6 Months Ended
Jan. 29, 2016
Condensed Consolidated Financial Statements [Abstract]
Recent Accounting Pronouncements Adopted and Not Adopted	Recent Accounting Pronouncements Adopted Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity In April 2014, the Financial Accounting Standards Board (“FASB”) issued accounting guidance which changes the criteria for disposals to qualify as discontinued operations and requires new disclosures about disposals of both discontinued operations and certain other disposals that do not meet the new definition. This accounting guidance is effective for fiscal years beginning on or after December 15, 2014 and interim periods within those years on a prospective basis. The adoption of this accounting guidance in the first quarter of 2016 did not have a significant impact on the Company’s consolidated financial position or results of operations. Recent Accounting Pronouncements Not Yet Adopted Revenue Recognition In May 2014, the FASB issued accounting guidance which clarifies the principles for recognizing revenue and provides a comprehensive model for revenue recognition. Revenue recognition should depict the transfer of goods or services to a customer at an amount that reflects the consideration a company expects to receive in exchange for those goods or services. The guidance also requires additional disclosures about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts. This accounting guidance is effective for fiscal years beginning after December 15, 2016 and interim periods within those years. Early application is not permitted. A company may apply this accounting guidance either retrospectively or using the cumulative effect transition method. The Company is currently evaluating the impact of adopting this accounting guidance in the first quarter of 2018. Debt Issuance Costs In April 2015, the FASB issued accounting guidance which requires debt issuance costs to be presented in the balance sheet as a reduction of the related debt liability rather than as an asset. This accounting guidance is effective for fiscal years beginning after December 15, 2015, and interim periods within those years on a retrospective basis. Early application is permitted. Since this accounting guidance does not provide guidance on debt issuance costs related to revolving debt agreements, this accounting guidance is not expected to have a significant impact on the Company’s consolidated financial position or results of operations upon adoption in the first quarter of 2017. Inventory In July 2015, the FASB issued accounting guidance which requires companies to measure certain inventory at the lower of cost and net realizable value. This accounting guidance does not apply to inventories measured by using either the last-in, first-out method or the retail inventory method. This accounting guidance is effective for fiscal years beginning after December 15, 2016, and interim periods within those years on a prospective basis. Early application is permitted. The Company is currently evaluating the impact of adopting this accounting guidance in the first quarter of 2018. Deferred Taxes In November 2015, in order to simplify the presentation of deferred income taxes, the FASB issued accounting guidance which requires deferred tax liabilities and assets to be classified as noncurrent in the balance sheet. This accounting guidance is effective for fiscal years beginning after December 15, 2016, and interim periods within those years. This accounting guidance may be applied either prospectively to all deferred tax liabilities and assets or retrospectively to all periods presented. Early application is permitted. The Company is currently evaluating the impact of adopting this accounting guidance in the first quarter of 2018.

Recent Accounting Pronouncements Adopted

Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity

In April 2014, the Financial Accounting Standards Board (“FASB”) issued accounting guidance which changes the criteria for disposals to qualify as discontinued operations and requires new disclosures about disposals of both discontinued operations and certain other disposals that do not meet the new definition. This accounting guidance is effective for fiscal years beginning on or after December 15, 2014 and interim periods within those years on a prospective basis. The adoption of this accounting guidance in the first quarter of 2016 did not have a significant impact on the Company’s consolidated financial position or results of operations.

Recent Accounting Pronouncements Not Yet Adopted

Revenue Recognition

In May 2014, the FASB issued accounting guidance which clarifies the principles for recognizing revenue and provides a comprehensive model for revenue recognition. Revenue recognition should depict the transfer of goods or services to a customer at an amount that reflects the consideration a company expects to receive in exchange for those goods or services. The guidance also requires additional disclosures about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts. This accounting guidance is effective for fiscal years beginning after December 15, 2016 and interim periods within those years. Early application is not permitted. A company may apply this accounting guidance either retrospectively or using the cumulative effect transition method. The Company is currently evaluating the impact of adopting this accounting guidance in the first quarter of 2018.

Debt Issuance Costs

In April 2015, the FASB issued accounting guidance which requires debt issuance costs to be presented in the balance sheet as a reduction of the related debt liability rather than as an asset. This accounting guidance is effective for fiscal years beginning after December 15, 2015, and interim periods within those years on a retrospective basis. Early application is permitted. Since this accounting guidance does not provide guidance on debt issuance costs related to revolving debt agreements, this accounting guidance is not expected to have a significant impact on the Company’s consolidated financial position or results of operations upon adoption in the first quarter of 2017.

Inventory

In July 2015, the FASB issued accounting guidance which requires companies to measure certain inventory at the lower of cost and net realizable value. This accounting guidance does not apply to inventories measured by using either the last-in, first-out method or the retail inventory method. This accounting guidance is effective for fiscal years beginning after December 15, 2016, and interim periods within those years on a prospective basis. Early application is permitted. The Company is currently evaluating the impact of adopting this accounting guidance in the first quarter of 2018.

Deferred Taxes

In November 2015, in order to simplify the presentation of deferred income taxes, the FASB issued accounting guidance which requires deferred tax liabilities and assets to be classified as noncurrent in the balance sheet. This accounting guidance is effective for fiscal years beginning after December 15, 2016, and interim periods within those years. This accounting guidance may be applied either prospectively to all deferred tax liabilities and assets or retrospectively to all periods presented. Early application is permitted. The Company is currently evaluating the impact of adopting this accounting guidance in the first quarter of 2018.