| Schedule of Significant expenses for each segment |
| | | | | | | | | | | | | | | | | | Three Months Ended August 31, 2026 | | | | | | | Selling, | | Other | | | | | | | Cost of | | General and | | Segment | | Operating | | | Sales | | Sales | | Administrative | | Items | | Income | Parts Supply | | $ | 414.8 | | $ | 330.4 | | $ | 30.8 | | $ | (1.7) | | $ | 55.3 | Repair, Engineering, and Software | | | 297.5 | | | 239.9 | | | 42.6 | | | (1.0) | | | 16.0 | Government Solutions | | | 138.8 | | | 110.5 | | | 9.2 | | | — | | | 19.1 | Legacy Commercial Programs | | | 66.9 | | | 61.6 | | | 2.4 | | | — | | | 2.9 | | | $ | 918.0 | | $ | 742.4 | | $ | 85.0 | | $ | (2.7) | | $ | 93.3 | Corporate and other | | | | | | | | | | | | | | | (21.2) | | | | | | | | | | | | | | | | 72.1 | Other expense, net | | | | | | | | | | | | | | | (0.5) | Interest expense | | | | | | | | | | | | | | | (16.6) | Interest income | | | | | | | | | | | | | | | 0.4 | Income before income taxes | | | | | | | | | | | | | | $ | 55.4 |
| | | | | | | | | | | | | | | | | | Three Months Ended August 31, 2025 | | | | | | | | Selling, | | Other | | | | | | | | Cost of | | General and | | Segment | | Operating | | | Sales | | Sales | | Administrative | | Items | | Income | Parts Supply | | $ | 317.8 | | $ | 256.5 | | $ | 23.3 | | $ | (2.9) | | $ | 40.9 | Repair, Engineering, and Software | | | 226.4 | | | 177.3 | | | 28.5 | | | 0.6 | | | 20.0 | Government Solutions | | | 133.9 | | | 113.4 | | | 7.8 | | | — | | | 12.7 | Legacy Commercial Programs | | | 61.5 | | | 58.2 | | | 3.5 | | | (0.6) | | | 0.4 | | | $ | 739.6 | | $ | 605.4 | | $ | 63.1 | | $ | (2.9) | | $ | 74.0 | Corporate and other | | | | | | | | | | | | | | | (9.1) | | | | | | | | | | | | | | | | 64.9 | Gains (Losses) related to sale and exit of businesses, net | | | | | | | | | | | | | | | 0.7 | Other expense, net | | | | | | | | | | | | | | | (0.1) | Interest expense | | | | | | | | | | | | | | | (18.8) | Interest income | | | | | | | | | | | | | | | 0.3 | Income before income taxes | | | | | | | | | | | | | | $ | 47.0 |
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| Schedule of financial information for each segment |
| | | | | | | | | | | | Three Months Ended August 31, 2026 | | | Third-Party | | Inter-segment | | Total | | | Sales | | Sales | | Sales | Parts Supply | | $ | 414.8 | | $ | 16.9 | | $ | 431.7 | Repair, Engineering, and Software | | | 297.5 | | | 17.4 | | | 314.9 | Government Solutions | | | 138.8 | | | 1.8 | | | 140.6 | Legacy Commercial Programs | | | 66.9 | | | 2.6 | | | 69.5 | | | $ | 918.0 | | $ | 38.7 | | $ | 956.7 |
| | | | | | | | | | | | Three Months Ended August 31, 2025 | | | Third-Party | | Inter-segment | | Total | | | Sales | | Sales | | Sales | Parts Supply | | $ | 317.8 | | $ | 2.1 | | $ | 319.9 | Repair, Engineering, and Software | | | 226.4 | | | 22.0 | | | 248.4 | Government Solutions | | | 133.9 | | | 0.4 | | | 134.3 | Legacy Commercial Programs | | | 61.5 | | | 0.9 | | | 62.4 | | | $ | 739.6 | | $ | 25.4 | | $ | 765.0 |
| | | | | | | | | Three Months Ended | | | August 31, | | | 2026 | | 2025 | Capital expenditures: | | | | | | | Parts Supply | | $ | 0.4 | | $ | 0.3 | Repair, Engineering, and Software | | | 8.9 | | | 5.8 | Government Solutions | | | 1.6 | | | 1.9 | Corporate and discontinued operations | | | 0.9 | | | 0.7 | | | $ | 11.8 | | $ | 8.7 |
| | | | | | | | | Three Months Ended | | | August 31, | | | 2026 | | 2025 | Depreciation and amortization: 1 | | | | | | | Parts Supply | | $ | 8.3 | | $ | 2.9 | Repair, Engineering, and Software | | | 10.1 | | | 8.1 | Government Solutions | | | 2.1 | | | 1.6 | Legacy Commercial Programs | | | 0.1 | | | 1.8 | Corporate and discontinued operations | | | 6.0 | | | 4.7 | | | $ | 26.6 | | $ | 19.1 |
1 Includes amortization of stock-based compensation. | | | | | | | | | Three Months Ended | | | August 31, | | | 2026 | | 2025 | Earnings from joint ventures: | | | | | | | Parts Supply | | $ | 1.8 | | $ | 2.9 | Repair, Engineering, and Software | | | 1.0 | | | 0.1 | | | $ | 2.8 | | $ | 3.0 |
| | | | | | | | | August 31, | | May 31, | | | 2026 | | 2026 | Total assets: | | | | | | | Parts Supply | | $ | 1,169.3 | | $ | 1,099.9 | Repair, Engineering, and Software | | | 1,586.8 | | | 1,598.2 | Government Solutions | | | 309.5 | | | 282.8 | Legacy Commercial Programs | | | 240.1 | | | 250.2 | Corporate and discontinued operations | | | 121.2 | | | 124.8 | | | $ | 3,426.9 | | $ | 3,355.9 |
| | | | | | | | | August 31, | | May 31, | | | 2026 | | 2026 | Investments in joint ventures: | | | | | | | Parts Supply | | $ | 17.6 | | $ | 15.8 | Repair, Engineering, and Software | | | 33.9 | | | 33.2 | | | $ | 51.5 | | $ | 49.0 |
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