XML 47 R36.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

STOCK-BASED COMPENSATION (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract] |
Schedule of Restricted Stock Activity and Incentive Stock Awards Activity | The following table summarizes the restricted stock, restricted stock unit and incentive stock unit activity and related information for the three months ended March 31, 2024:
| Restricted Stock and Units |  | Incentive Stock Units |  | Weighted Average Grant Date Fair Value
Outstanding at December 31, 2023 | 760,569 |  |  | 692,732 |  |  | $ | 93.65 |
Granted | 289,089 |  |  | 179,457 |  |  | $ | 141.23 |
Vested | (246,480) |  |  | (298,756) |  |  | $ | 87.49 |
Adjustment for incentive stock awards expected to vest | — |  |  | 77,557 |  |  | $ | 94.82 |
Canceled | (15,940) |  |  | (1,484) |  |  | $ | 84.06 |
Outstanding at March 31, 2024 | 787,238 |  |  | 649,506 |  |  | $ | 111.68 |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Incentive Stock Awards Activity and Restricted Stock Activity [Table Text Block] + References No definition available. + Details
Name: | wab_ScheduleofIncentiveStockAwardsActivityandRestrictedStockActivityTableTextBlock
Namespace Prefix: | wab_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration