Basis of Presentation	3 Months Ended
Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	1. Basis of Presentation General The accompanying unaudited condensed consolidated financial statements include the accounts of PTC Inc. and its wholly owned subsidiaries and have been prepared by management in accordance with accounting principles generally accepted in the United States of America (GAAP) and in accordance with the rules and regulations of the Securities and Exchange Commission regarding interim financial reporting. Accordingly, they do not include all the information and footnotes required by GAAP for complete financial statements. While we believe that the disclosures presented are adequate in order to make the information not misleading, these unaudited quarterly financial statements should be read in conjunction with our annual consolidated financial statements and related notes included in our Annual Report on Form 10-K for the fiscal year ended September 30, 2025. In the opinion of management, the accompanying unaudited condensed consolidated financial statements contain all adjustments, consisting only of those of a normal recurring nature, necessary for a fair statement of our financial position, results of operations and cash flows as of the dates and for the periods indicated. The September 30, 2025 Consolidated Balance Sheet included herein is derived from our audited consolidated financial statements. Unless otherwise indicated, all references to a year mean our fiscal year, which ends on September 30. Pending Accounting Pronouncements Narrow-Scope Improvements for Interim Reporting In December 2025, the FASB issued ASU 2025-11, Interim Reporting (Topic 270): Narrow-Scope Improvements, which clarifies interim disclosure requirements and the applicability of Topic 270. The ASU will be effective for us in the first quarter of 2029, with early adoption permitted. We expect the adoption to result in disclosure changes only. Targeted Improvements to the Accounting for Internal-Use Software In September 2025, the FASB issued ASU 2025-06, Intangibles—Goodwill and Other—Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software, which modernizes the accounting for internal-use software by eliminating project stage-based capitalization and clarifying the probable-to-complete threshold to commence the capitalization of software costs. The ASU will be effective for us in the first quarter of 2029, with early adoption permitted. The standard may be applied prospectively, retrospectively, or via a modified prospective transition method. We are currently evaluating the impact of this guidance on our consolidated financial statements and related disclosures. Measurements of Credit Losses for Accounts Receivable and Contract Assets In July 2025, the FASB issued ASU 2025-05, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets, which provides a practical expedient to measure credit losses on accounts receivable and contract assets. The ASU will be effective for us in the first quarter of 2027, with early adoption permitted. We are currently evaluating the impact of this guidance on our consolidated financial statements and related disclosures. Disaggregation of Income Statement Expenses In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses and in January 2025, the FASB issued ASU 2025-01, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Clarifying the Effective Date. As clarified by ASU 2025-01, ASU 2024-03 will be effective for us in the fourth quarter of 2028. We expect the adoption to result in disclosure changes only. Improvements to Income Tax Disclosures In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The ASU will be effective for us in the fourth quarter of 2026. We expect the adoption to result in disclosure changes only.

Basis of Presentation

3 Months Ended

Dec. 31, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

1. Basis of Presentation

General

The accompanying unaudited condensed consolidated financial statements include the accounts of PTC Inc. and its wholly owned subsidiaries and have been prepared by management in accordance with accounting principles generally accepted in the United States of America (GAAP) and in accordance with the rules and regulations of the Securities and Exchange Commission regarding interim financial reporting. Accordingly, they do not include all the information and footnotes required by GAAP for complete financial statements. While we believe that the disclosures presented are adequate in order to make the information not misleading, these unaudited quarterly financial statements should be read in conjunction with our annual consolidated financial statements and related notes included in our Annual Report on Form 10-K for the fiscal year ended September 30, 2025. In the opinion of management, the accompanying unaudited condensed consolidated financial statements contain all adjustments, consisting only of those of a normal recurring nature, necessary for a fair statement of our financial position, results of operations and cash flows as of the dates and for the periods indicated. The September 30, 2025 Consolidated Balance Sheet included herein is derived from our audited consolidated financial statements.

Unless otherwise indicated, all references to a year mean our fiscal year, which ends on September 30.

Pending Accounting Pronouncements

Narrow-Scope Improvements for Interim Reporting

In December 2025, the FASB issued ASU 2025-11, Interim Reporting (Topic 270): Narrow-Scope Improvements, which clarifies interim disclosure requirements and the applicability of Topic 270. The ASU will be effective for us in the first quarter of 2029, with early adoption permitted. We expect the adoption to result in disclosure changes only.

Targeted Improvements to the Accounting for Internal-Use Software

In September 2025, the FASB issued ASU 2025-06, Intangibles—Goodwill and Other—Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software, which modernizes the accounting for internal-use software by eliminating project stage-based capitalization and clarifying the probable-to-complete threshold to commence the capitalization of software costs. The ASU will be effective for us in the first quarter of 2029, with early adoption permitted. The standard may be applied prospectively, retrospectively, or via a modified prospective transition method. We are currently evaluating the impact of this guidance on our consolidated financial statements and related disclosures.

Measurements of Credit Losses for Accounts Receivable and Contract Assets

In July 2025, the FASB issued ASU 2025-05, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets, which provides a practical expedient to measure credit losses on accounts receivable and contract assets. The ASU will be effective for us in the first quarter of 2027, with early adoption permitted. We are currently evaluating the impact of this guidance on our consolidated financial statements and related disclosures.

Disaggregation of Income Statement Expenses

In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses and in January 2025, the FASB issued ASU 2025-01, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Clarifying the Effective Date. As clarified by ASU 2025-01, ASU 2024-03 will be effective for us in the fourth quarter of 2028. We expect the adoption to result in disclosure changes only.

Improvements to Income Tax Disclosures

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The ASU will be effective for us in the fourth quarter of 2026. We expect the adoption to result in disclosure changes only.