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New Accounting Pronouncements New Accounting Pronouncements - USD ($)
$ in Thousands
 3 Months Ended
Oct. 31, 2019
Aug. 01, 2019
Jul. 31, 2019
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]      
New Accounting Pronouncements, Policy [Policy Text Block] New Accounting Pronouncements
In August 2017, the Financial Accounting Standards Board ("FASB") issued ASU 2017-12, "Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities," which simplifies and reduces the complexity of the hedge accounting requirements and better aligns an entity's financial reporting for hedging relationships with its risk management activities. The guidance is effective for interim periods in fiscal years beginning after December 15, 2018, with early adoption permitted. The Company adopted ASU 2017-12 effective August 1, 2019, using the required modified retrospective adoption approach to apply this guidance to existing hedging relationships as of the adoption date, which did not have a material impact on its consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, "Goodwill and Other, Simplifying the Test for Goodwill Impairment," which simplifies the accounting for goodwill impairment. The new guidance removes Step 2 of the goodwill impairment test, which requires a hypothetical purchase price allocation. A goodwill impairment will now be the amount by which a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. All other goodwill impairment guidance will remain largely unchanged. This guidance is effective for annual periods beginning after December 15, 2019, and interim periods thereafter; however, early adoption is permitted for any impairment tests performed after January 1, 2017. The Company has not adopted this guidance, which will only impact the Company's consolidated financial statements if there is a future impairment of goodwill.
In June 2016, the FASB issued ASU 2016-13, "Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments," which changes the impairment model for most financial instruments. Current guidance requires the recognition of credit losses based on an incurred loss impairment methodology that reflects losses once the losses are probable. Under ASU 2016-13, the Company will be required to use a current expected credit loss model ("CECL") that will immediately recognize an estimate of credit losses that are expected to occur over the life of the financial instruments that are in the scope of this update, including trade receivables. The CECL model uses a broader range of reasonable and supportable information in the development of credit loss estimates. This guidance becomes effective for interim periods in fiscal years beginning after December 15, 2019. The Company is currently evaluating the impact that the adoption of this ASU will have on the consolidated financial statements and related disclosures.
In February 2016, the FASB issued ASU 2016-02, "Leases (Topic 842)" ("ASC 842"), which replaced the current lease accounting standards. The update requires, among other items, lessees to recognize the assets and liabilities that arise from most leases on the balance sheet and disclose key information about leasing arrangements. In July 2018, the FASB issued ASU 2018-11 "Leases (Topic 842): Targeted Improvements," which provides, among other items, an additional transition method allowing a
cumulative effect adjustment to the opening balance of retained earnings during the period of adoption. ASC 842 is effective for interim periods in fiscal years beginning after December 15, 2018.
The Company adopted ASU 2016-02 (and related updates) effective August 1, 2019, using the optional transition method provided in ASU 2018-11 to apply this guidance to the impacted lease population at the date of initial application. Results for reporting periods beginning after August 1, 2019, are presented under ASU 2016-02, while comparative prior period amounts have not been restated and continue to be presented under accounting standards in effect during those periods.
The Company elected the package of practical expedients permitted within the new standard, which among other things, allows the Company to carryforward the historical lease accounting of expired or existing leases with respect to lease identification, lease classification and accounting treatment for initial direct costs as of the adoption date. The Company also elected the practical expedient related to lease versus nonlease components, allowing the Company to recognize lease and nonlease components as a single lease. Lastly, the Company elected the hindsight practical expedient, allowing the Company to use hindsight in determining the lease term and assessing impairment of right-of-use assets when transitioning to ASC 842. The Company has made a policy election not to capitalize leases with an initial term of 12 months or less.
Upon adoption of ASC 842, the Company recorded additional operating lease assets and liabilities of $55,984 and $58,544, respectively, as of August 1, 2019, which included operating lease assets and liabilities of $9,769 and $9,674, respectively, for leases that commenced on the adoption date of August 1, 2019. No cumulative effect adjustment to retained earnings was recognized upon adoption of the new standard. Adoption of ASC 842 did not have a material impact on the Company's cash flows or operating results. Refer to Note E "Leases" for additional information and required disclosures under the new standard.
    
Operating lease liabilities $ 54,981 $ 58,544  
Operating leases assets $ 52,233 $ 55,984 $ 0