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Business Combinations	3 Months Ended
Business Combinations	Jan. 31, 2022
Business Combinations [Abstract]
Business Combinations	Business Combinations During the three months ended January 31, 2022, we completed one acquisition for an aggregate consideration of $20.0 million, net of cash acquired. We do not consider this acquisition to be material to our unaudited condensed consolidated statements of income. The preliminary purchase allocations are $4.3 million of identifiable intangible assets and $15.7 million in goodwill, which are attributable to the Semiconductor & System Design reporting segment. There was no tax deductible goodwill related to the acquisition. The preliminary fair value estimates for the assets acquired and liabilities assumed for all acquisitions completed within 12 months from the applicable acquisition date are not yet finalized and may change as additional information becomes available during the respective measurement periods. The primary areas of those preliminary estimates relate to certain tangible assets and liabilities, identifiable intangible assets, and income taxes. Acquisition-Related Transaction Costs Transaction costs were $2.1 million and $3.5 million during the three months ended January 31, 2022 and January 31, 2021, respectively. These costs mainly consist of professional fees and administrative costs and were expensed as incurred in our unaudited condensed consolidated statements of income.