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Segment Disclosure | 6 Months Ended
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Apr. 30, 2018
Segment Reporting [Abstract] |
Segment Disclosure | Segment Disclosure Certain disclosures are required for operating segments, products and services, geographic areas of operation and major customers. Segment reporting is based upon the “management approach,” i.e., how management organizes the Company’s operating segments for which separate financial information is (1) available and (2) evaluated regularly by the Chief Operating Decision Makers (CODMs) in deciding how to allocate resources and in assessing performance. Synopsys’ CODMs are the Company’s two Co-Chief Executive Officers. The Company operates in a single segment to provide software products and consulting services primarily in the EDA software industry. In making operating decisions, the CODMs primarily consider consolidated financial information, accompanied by disaggregated information about revenues by geographic region. Specifically, the CODMs consider where individual “seats” or licenses to the Company’s products are located in allocating revenue to particular geographic areas. Revenue is defined as revenues from external customers. Goodwill is not allocated since the Company operates in one reportable operating segment. Revenues related to operations in the United States and other geographic areas were:
| Three Months Ended April 30, |  | Six Months Ended April 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (in thousands)
Revenue: |  |  |  |  |  |  |
United States | $ | 376,636 |  |  | $ | 350,489 |  |  | $ | 761,210 |  |  | $ | 669,908 |
Europe | 97,014 |  |  | 78,395 |  |  | 182,479 |  |  | 154,068 |
Japan | 70,435 |  |  | 57,206 |  |  | 138,824 |  |  | 118,904 |
Asia-Pacific and Other | 232,751 |  |  | 193,979 |  |  | 463,749 |  |  | 389,975 |
Consolidated | $ | 776,836 |  |  | $ | 680,069 |  |  | $ | 1,546,262 |  |  | $ | 1,332,855 |
Geographic revenue data for multi-region, multi-product transactions reflect internal allocations and are therefore subject to certain assumptions and the Company’s methodology. For the three and six months ended April 30, 2018 and 2017, one customer, including its subsidiaries, through multiple agreements accounted for greater than 10% of the Company's total revenues.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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