Supplemental Cash Flow Data The use of operating capital for the six months ended June 30, 2019 and 2018 was (in millions): | | | | | | | | | | 2019 | | 2018 | (Increase) decrease in accounts receivable | $ | 419.2 |
| | $ | 1,173.6 |
| (Increase) decrease in work in process and other current assets | (305.0 | ) | | (354.4 | ) | Increase (decrease) in accounts payable | (1,044.9 | ) | | (1,803.2 | ) | Increase (decrease) in customer advances, taxes payable and other current liabilities | (396.2 | ) | | (459.3 | ) | Change in other assets and liabilities, net | 20.3 |
| | 11.5 |
| | $ | (1,306.6 | ) | | $ | (1,431.8 | ) | | | | | Income taxes paid | $ | 241.9 |
| | $ | 276.4 |
| Interest paid | $ | 119.8 |
| | $ | 115.4 |
|
Supplemental non-cash information for the six months ended June 30, 2019 (in millions): | | | | | | | | | | Operating Leases | | Finance Leases | Net increase in lease liability | $ | 1,703.8 |
| | $ | 28.7 |
|
|