Condensed Consolidated Financial Statements (Policies)	3 Months Ended
Oct. 31, 2014
Condensed Consolidated Financial Statements [Abstract]
Recent Accounting Pronouncements Not Adopted	Recent Accounting Pronouncements Not 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 Company is currently evaluating the impact of adopting this accounting guidance, but it 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 2016. 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 it 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.

Recent Accounting Pronouncements Not 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 Company is currently evaluating the impact of adopting this accounting guidance, but it 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 2016.

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 it 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.