Other Assets Other assets consisted of the following: | | | | | | | | | | | | (in millions) | December 31, 2022 | | December 31, 2021 | Investments in affiliated companies (Note 9) | $ | 265.9 | | | $ | 240.5 | | Right-of-use lease assets (Note 2 and 13) | 127.4 | | | 145.1 | | Interest rate swaps (Notes 12 and 19) | 237.7 | | | 12.1 | | Note Receivable (Note 3 and 19) | 70.3 | | | — | | Deferred Income Tax Asset (Note 17) | 8.2 | | | 10.0 | | Other | 61.5 | | | 51.3 | | Total other assets | $ | 771.0 | | | $ | 459.0 | |
The increase in investments in affiliated companies was due primarily to a cost method investment acquired as part of our acquisition of Argus. The increase in the interest rate swaps asset was due primarily to changes in the forward LIBOR curve during the period.
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