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Pay vs Performance Disclosure | 12 Months Ended
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Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($)
Pay vs Performance Disclosure |  |  |  |
Pay vs Performance Disclosure, Table |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Value of Initial Fixed $100 Investment Based On: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Year (a) | ​ | ​ | Summary Compensation Table Total for PEO ($) (b) | ​ | ​ | Compensation Actually Paid to PEO ($) (c) | ​ | ​ | Average Summary Compensation Table Total for Non-PEO NEOs ($) (d) | ​ | ​ | Average Compensation Actually Paid to Non-PEO NEOs ($) (e) | ​ | ​ | Company TSR ($) (f) | ​ | ​ | S&P 500 Industrials TSR ($) (g) | ​ | ​ | Net Income ($ in millions) (h) | ​ | ​ | EBIT Growth (%) (i) | ​
​ | 2024 | ​ | ​ | ​ | ​ | 15,408,987 | ​ | ​ | ​ | ​ | ​ | 35,125,841 | ​ | ​ | ​ | ​ | ​ | 5,627,181 | ​ | ​ | ​ | ​ | ​ | 9,530,554 | ​ | ​ | ​ | ​ | ​ | 208 | ​ | ​ | ​ | ​ | ​ | 178 | ​ | ​ | ​ | ​ | ​ | 1,705 | ​ | ​ | ​ | ​ | ​ | 8.8 | ​ | ​
​ | 2023 | ​ | ​ | ​ | ​ | 15,882,646 | ​ | ​ | ​ | ​ | ​ | 16,020,622 | ​ | ​ | ​ | ​ | ​ | 5,528,433 | ​ | ​ | ​ | ​ | ​ | 5,131,714 | ​ | ​ | ​ | ​ | ​ | 139 | ​ | ​ | ​ | ​ | ​ | 131 | ​ | ​ | ​ | ​ | ​ | 1,849 | ​ | ​ | ​ | ​ | ​ | 16.9 | ​ | ​
​ | 2022 | ​ | ​ | ​ | ​ | 15,687,202 | ​ | ​ | ​ | ​ | ​ | (1,001,706) | ​ | ​ | ​ | ​ | ​ | 4,696,459 | ​ | ​ | ​ | ​ | ​ | 357,693 | ​ | ​ | ​ | ​ | ​ | 126 | ​ | ​ | ​ | ​ | ​ | 108 | ​ | ​ | ​ | ​ | ​ | 1,532 | ​ | ​ | ​ | ​ | ​ | 11.4 | ​ | ​
​ | 2021 | ​ | ​ | ​ | ​ | 16,170,188 | ​ | ​ | ​ | ​ | ​ | 54,159,692 | ​ | ​ | ​ | ​ | ​ | 3,857,898 | ​ | ​ | ​ | ​ | ​ | 10,886,010 | ​ | ​ | ​ | ​ | ​ | 170 | ​ | ​ | ​ | ​ | ​ | 129 | ​ | ​ | ​ | ​ | ​ | 1,637 | ​ | ​ | ​ | ​ | ​ | 11.6 | ​ | ​
​ (a) This table includes four fiscal years (2021, 2022, 2023, and 2024) rather than five because this is a transition year for the new regulation. ​ (b) The PEO is Mr. Olivier for all fiscal years shown. ​ (c) CAP to Mr. Oliver reflects the respective amounts set forth in column (b) of the table above, adjusted as set forth in the table below. The assumptions used to calculate the fair values did not differ materially from the assumptions used to calculate the fair values as of the grant dates. Dividends and dividend equivalents credited with respect to stock awards in each fiscal year prior to the vesting date were included in the fair value of the awards at the end of the fiscal year or as of the vesting date, as applicable. ​
​ | ​ | ​ | ​ | Year | ​
​ | CEO | ​ | ​ | 2024 | ​
​ | SCT Total Compensation ($) | ​ | ​ | ​ | ​ | 15,408,987 | ​ | ​
​ | Less: Stock and Option Award Values Reported in SCT for the Covered Year ($) | ​ | ​ | ​ | ​ | 11,062,626 | ​ | ​
​ | Plus: Fair Value for Stock and Option Awards Granted in the Covered Year that are Outstanding and Unvested at End of Year ($) | ​ | ​ | ​ | ​ | 22,068,352 | ​ | ​
​ | Plus: Change in Fair Value of Outstanding Unvested Stock and Option Awards from Prior Years that Remain Unvested at End of Year ($) | ​ | ​ | ​ | ​ | 6,950,976 | ​ | ​
​ | Plus: Fair Value as of Vesting Date for Awards Granted that Vested in Same Year ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Plus: Change in Fair Value of Stock and Option Awards from Prior Years that Vested in the Covered Year ($) | ​ | ​ | ​ | ​ | 1,760,152 | ​ | ​
​ | Less: Fair Value of Stock and Option Awards Forfeited during the Covered Year ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Less: Aggregate Change in Actuarial Present Value of Accumulated Benefit Under Pension Plans ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Plus: Aggregate Service Cost and Prior Service Cost for Pension Plans ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Compensation Actually Paid ($) | ​ | ​ | ​ | ​ | 35,125,841 | ​ | ​
​ (d) The following NEO’s are included in the average figures shown: ​ 2021: Messrs. Olivier Leonetti, John Donofrio, Ganesh Ramaswamy, Jeffrey Williams, Brian Stief 2022: Messrs. Olivier Leonetti, Rodney Clark, John Donofrio, Ganesh Ramaswamy, Jeffrey Williams 2023: Messrs. Olivier Leonetti, Rodney Clark and Mses. Lei Schlitz, Julie Brandt 2024: Messrs. Marc Vandiepenbeeck, Olivier Leonetti, Nate Manning, John Donofrio and Ms. Lei Schlitz, (e) CAP to our non-PEO NEOs reflects the respective amounts set forth in column (d) of the table above, adjusted as set forth in the table below. The assumptions used to calculate the fair values did not differ materially from the assumptions used to calculate the fair values as of the grant dates. Dividends and dividend equivalents credited with respect to stock awards in each fiscal year prior to the vesting date were included in the fair value of the awards at the end of the fiscal year or as of the vesting date, as applicable. ​
​ | ​ | ​ | ​ | Year | ​
​ | ​ | ​ | ​ | 2024 | ​
​ | Non-PEO NEOs | ​ | ​ | See footnote (d) above | ​
​ | Average SCT Total Compensation ($) | ​ | ​ | ​ | ​ | 5,627,181 | ​ | ​
​ | Less: Average Stock and Option Award Values Reported in SCT for the Covered Year ($) | ​ | ​ | ​ | ​ | 4,227,460 | ​ | ​
​ | Plus: Average Fair Value for Stock and Option Awards Granted in the Covered Year that are Outstanding and Unvested at End of Year ($) | ​ | ​ | ​ | ​ | 5,644,012 | ​ | ​
​ | Plus: Average Change in Fair Value of Outstanding Unvested Stock and Option Awards from Prior Years that Remain Unvested at End of Year ($) | ​ | ​ | ​ | ​ | 1,599,534 | ​ | ​
​ | Plus: Average Fair Value as of Vesting Date for Awards Granted that Vested in Same Year ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Plus: Average Change in Fair Value of Stock and Option Awards from Prior Years that Vested in the Covered Year ($) | ​ | ​ | ​ | ​ | 161,026 | ​ | ​
​ | Less: Average Fair Value of Stock and Option Awards Forfeited during the Covered Year ($) | ​ | ​ | ​ | ​ | 726,261 | ​ | ​
​ | Less: Average Aggregate Change in Actuarial Present Value of Accumulated Benefit Under Pension Plans ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Plus: Average Aggregate Service Cost and Prior Service Cost for Pension Plans ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Average Compensation Actually Paid ($) | ​ | ​ | ​ | ​ | 9,530,554 | ​ | ​
​ (f) Represents our cumulative total shareholder return (“TSR”) calculated from September 30, 2020 for the measurement periods ending on September 30 of each of 2021, 2022, 2023 and 2024, respectively. ​ (g) Represents the cumulative TSR of the S&P 500 Industrials Index calculated from September 30, 2020 for the measurement periods ending on September 30 of each of 2021, 2022, 2023 and 2024, respectively. ​ (h) Reflects “Net Income” in the Company’s audited financial statements included in the Company’s Annual Reports on Form 10-K for each of the fiscal years ended September 30, 2021, 2022, 2023 and 2024. ​ (i) Company-selected measure is EBIT Growth. The definition and methodology used to calculate EBIT Growth are found in the CD&A on page 60. ​ |  |  |
Company Selected Measure Name | EBIT Growth |  |  |
Named Executive Officers, Footnote | (d) The following NEO’s are included in the average figures shown: ​ 2021: Messrs. Olivier Leonetti, John Donofrio, Ganesh Ramaswamy, Jeffrey Williams, Brian Stief 2022: Messrs. Olivier Leonetti, Rodney Clark, John Donofrio, Ganesh Ramaswamy, Jeffrey Williams 2023: Messrs. Olivier Leonetti, Rodney Clark and Mses. Lei Schlitz, Julie Brandt 2024: Messrs. Marc Vandiepenbeeck, Olivier Leonetti, Nate Manning, John Donofrio and Ms. Lei Schlitz, |  |  |
Peer Group Issuers, Footnote | (g) Represents the cumulative TSR of the S&P 500 Industrials Index calculated from September 30, 2020 for the measurement periods ending on September 30 of each of 2021, 2022, 2023 and 2024, respectively. |  |  |
PEO Total Compensation Amount | $ 15,408,987 | $ 15,882,646 | $ 15,687,202 | $ 16,170,188
PEO Actually Paid Compensation Amount | $ 35,125,841 | 16,020,622 | (1,001,706) | 54,159,692
Adjustment To PEO Compensation, Footnote | (c) CAP to Mr. Oliver reflects the respective amounts set forth in column (b) of the table above, adjusted as set forth in the table below. The assumptions used to calculate the fair values did not differ materially from the assumptions used to calculate the fair values as of the grant dates. Dividends and dividend equivalents credited with respect to stock awards in each fiscal year prior to the vesting date were included in the fair value of the awards at the end of the fiscal year or as of the vesting date, as applicable. ​
​ | ​ | ​ | ​ | Year | ​
​ | CEO | ​ | ​ | 2024 | ​
​ | SCT Total Compensation ($) | ​ | ​ | ​ | ​ | 15,408,987 | ​ | ​
​ | Less: Stock and Option Award Values Reported in SCT for the Covered Year ($) | ​ | ​ | ​ | ​ | 11,062,626 | ​ | ​
​ | Plus: Fair Value for Stock and Option Awards Granted in the Covered Year that are Outstanding and Unvested at End of Year ($) | ​ | ​ | ​ | ​ | 22,068,352 | ​ | ​
​ | Plus: Change in Fair Value of Outstanding Unvested Stock and Option Awards from Prior Years that Remain Unvested at End of Year ($) | ​ | ​ | ​ | ​ | 6,950,976 | ​ | ​
​ | Plus: Fair Value as of Vesting Date for Awards Granted that Vested in Same Year ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Plus: Change in Fair Value of Stock and Option Awards from Prior Years that Vested in the Covered Year ($) | ​ | ​ | ​ | ​ | 1,760,152 | ​ | ​
​ | Less: Fair Value of Stock and Option Awards Forfeited during the Covered Year ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Less: Aggregate Change in Actuarial Present Value of Accumulated Benefit Under Pension Plans ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Plus: Aggregate Service Cost and Prior Service Cost for Pension Plans ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Compensation Actually Paid ($) | ​ | ​ | ​ | ​ | 35,125,841 | ​ | ​
Non-PEO NEO Average Total Compensation Amount | $ 5,627,181 | 5,528,433 | 4,696,459 | 3,857,898
Non-PEO NEO Average Compensation Actually Paid Amount | $ 9,530,554 | 5,131,714 | 357,693 | 10,886,010
Adjustment to Non-PEO NEO Compensation Footnote | (e) CAP to our non-PEO NEOs reflects the respective amounts set forth in column (d) of the table above, adjusted as set forth in the table below. The assumptions used to calculate the fair values did not differ materially from the assumptions used to calculate the fair values as of the grant dates. Dividends and dividend equivalents credited with respect to stock awards in each fiscal year prior to the vesting date were included in the fair value of the awards at the end of the fiscal year or as of the vesting date, as applicable. ​
​ | ​ | ​ | ​ | Year | ​
​ | ​ | ​ | ​ | 2024 | ​
​ | Non-PEO NEOs | ​ | ​ | See footnote (d) above | ​
​ | Average SCT Total Compensation ($) | ​ | ​ | ​ | ​ | 5,627,181 | ​ | ​
​ | Less: Average Stock and Option Award Values Reported in SCT for the Covered Year ($) | ​ | ​ | ​ | ​ | 4,227,460 | ​ | ​
​ | Plus: Average Fair Value for Stock and Option Awards Granted in the Covered Year that are Outstanding and Unvested at End of Year ($) | ​ | ​ | ​ | ​ | 5,644,012 | ​ | ​
​ | Plus: Average Change in Fair Value of Outstanding Unvested Stock and Option Awards from Prior Years that Remain Unvested at End of Year ($) | ​ | ​ | ​ | ​ | 1,599,534 | ​ | ​
​ | Plus: Average Fair Value as of Vesting Date for Awards Granted that Vested in Same Year ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Plus: Average Change in Fair Value of Stock and Option Awards from Prior Years that Vested in the Covered Year ($) | ​ | ​ | ​ | ​ | 161,026 | ​ | ​
​ | Less: Average Fair Value of Stock and Option Awards Forfeited during the Covered Year ($) | ​ | ​ | ​ | ​ | 726,261 | ​ | ​
​ | Less: Average Aggregate Change in Actuarial Present Value of Accumulated Benefit Under Pension Plans ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Plus: Average Aggregate Service Cost and Prior Service Cost for Pension Plans ($) | ​ | ​ | ​ | ​ | — | ​ | ​
​ | Average Compensation Actually Paid ($) | ​ | ​ | ​ | ​ | 9,530,554 | ​ | ​
Compensation Actually Paid vs. Total Shareholder Return |  |  |  |
Compensation Actually Paid vs. Net Income |  |  |  |
Compensation Actually Paid vs. Company Selected Measure |  |  |  |
Total Shareholder Return Vs Peer Group |  |  |  |
Tabular List, Table | Most Important Measures to Determine Fiscal 2024 Compensation Actually Paid The six performance measures listed below represent the most important metrics we used to link CAP to financial performance for fiscal 2024 as further described in our CD&A.
​ | ​ | Most Important Performance Measures: | ​ | ​
​ | ​ | • EBIT Growth ​ • Revenue Growth ​ • Free Cash Flow Conversion ​ • Pre-tax Earnings Growth ​ • Recurring Revenue ​ • Relative TSR ​ | ​ | ​
Total Shareholder Return Amount | $ 208 | 139 | 126 | 170
Peer Group Total Shareholder Return Amount | 178 | 131 | 108 | 129
Net Income (Loss) | $ 1,705,000,000 | $ 1,849,000,000 | $ 1,532,000,000 | $ 1,637,000,000
Company Selected Measure Amount | 8.8 | 16.9 | 11.4 | 11.6
PEO Name | Mr. Olivier |  |  |
Measure:: 1 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | EBIT Growth |  |  |
Non-GAAP Measure Description | (i) Company-selected measure is EBIT Growth. The definition and methodology used to calculate EBIT Growth are found in the CD&A on page 60. |  |  |
Measure:: 2 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Revenue Growth |  |  |
Measure:: 3 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Free Cash Flow Conversion |  |  |
Measure:: 4 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Pre-tax Earnings Growth |  |  |
Measure:: 5 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Recurring Revenue |  |  |
Measure:: 6 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Relative TSR |  |  |
PEO | Equity Awards Value In Summary Compensation Table (Grant Date Value) [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ (11,062,626) |  |  |
PEO | Year-end Fair Value Of Awards Granted In The Current Fiscal Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 22,068,352 |  |  |
PEO | Change In Fair Value Of Outstanding And Unvested Awards Granted In Prior Fiscal Years [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 6,950,976 |  |  |
PEO | Change In Fair Value As Of Vesting Date Of Awards Vested During Current Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  |  |  |
PEO | Change In Fair Value As Of Vesting Date Of Prior Year Awards Vested During Current Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 1,760,152 |  |  |
PEO | Less: Fair Value of Stock and Option Awards Forfeited during the Covered Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  |  |  |
PEO | Pension Adjustments Pension Value In Summary Compensation Table [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  |  |  |
PEO | Total Pension Adjustments [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  |  |  |
Non-PEO NEO | Equity Awards Value In Summary Compensation Table (Grant Date Value) [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (4,227,460) |  |  |
Non-PEO NEO | Year-end Fair Value Of Awards Granted In The Current Fiscal Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 5,644,012 |  |  |
Non-PEO NEO | Change In Fair Value Of Outstanding And Unvested Awards Granted In Prior Fiscal Years [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 1,599,534 |  |  |
Non-PEO NEO | Change In Fair Value As Of Vesting Date Of Awards Vested During Current Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  |  |  |
Non-PEO NEO | Change In Fair Value As Of Vesting Date Of Prior Year Awards Vested During Current Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 161,026 |  |  |
Non-PEO NEO | Less: Fair Value of Stock and Option Awards Forfeited during the Covered Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 726,261 |  |  |
Non-PEO NEO | Pension Adjustments Pension Value In Summary Compensation Table [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  |  |  |
Non-PEO NEO | Total Pension Adjustments [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount |  |  |  |

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