| Consolidated Statement of Operations [Abstract] | |
| Revenues | 12.1B |
| Cost of revenues | 11.26B |
| Gross profit | 844.5M |
| Selling, general and administrative | 269.6M |
| Operating income | 574.9M |
| Other (expense) income: | |
| Interest income | 4.6M |
| Interest expense | -115.4M |
| Total other (expense) income | -110.8M |
| Income before income taxes | 464.1M |
| Provision for income taxes | 173.7M |
| Net income from continuing operations | 290.4M |
| Net loss from discontinued operations, net of tax | 0 |
| Net income | 290.4M |
| Weighted average number of common shares outstanding during the period: | |
| Basic | -1.02B |
| Diluted | -1.03B |
| Basic earnings (loss) per share: | |
| Continuing operations | 0.6 |
| Discontinued operations | 0 |
| Net earnings | 0.6 |
| Diluted earnings (loss) per share: | |
| Continuing operations | 0.6 |
| Discontinued operations | 0 |
| Net earnings | 0.6 |