OTHER ASSETS Prepaid Expenses and Other Current Assets A summary of prepaid expenses and other current assets as of December 31 follows: | | | | | | | | | | 2018 | | 2017 | Income tax receivable | $ | 187.7 |
| | $ | 59.7 |
| Prepaid expenses | 85.8 |
| | 78.6 |
| Inventories | 53.1 |
| | 51.2 |
| Other non-trade receivables | 34.4 |
| | 28.6 |
| Reinsurance receivable | 25.7 |
| | 23.1 |
| Other current assets | 4.5 |
| | 6.4 |
| Total | $ | 391.2 |
| | $ | 247.6 |
|
Other Assets A summary of other assets as of December 31 follows: | | | | | | | | | | 2018 | | 2017 | Deferred compensation plan | $ | 100.0 |
| | $ | 99.9 |
| Deferred contract costs and sales commissions
| 89.2 |
| | 43.6 |
| Investments | 73.0 |
| | 27.2 |
| Reinsurance receivable | 68.0 |
| | 65.9 |
| Amounts recoverable for capping, closure and post-closure obligations | 30.5 |
| | 29.9 |
| Interest rate swaps and locks | 12.8 |
| | 27.1 |
| Deferred financing costs | 4.2 |
| | 3.0 |
| Other | 40.1 |
| | 38.6 |
| Total | $ | 417.8 |
| | $ | 335.2 |
|
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