| Revenues | 6,506.8a | 6,060.9a | 5,709.1a |
| Operating expenses | — | — | — |
| Cost of revenues | -4,572.9a | -4,275.5a | -4,116.9a |
| Selling, general and administrative expenses | -916.8a | -849a | -832.3a |
| Total operating expenses | -5,489.7a | -5,124.5a | -4,949.2a |
| Operating income | 1,017.1a | 936.4a | 759.9a |
| Interest expense, net | -138.1a | -135.5a | -84.7a |
| Other non-operating expenses, net | -1.7a | -6a | -3a |
| Earnings before income taxes | 877.4a | 794.9a | 672.2a |
| Provision for income taxes | -179.3a | -164.3a | -133.1a |
| Net earnings | 698.1a | 630.6a | 539.1a |