Borrowing Arrangements - Principal Maturities of Long-Term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Future minimum payments of total long-term debt
2020	$ 18.7
2021	15.5
2022	14.2
2023	317.2
2024	1.1
Thereafter	5.1
Total debt	371.8
Less: Current portion of obligations under Senior Credit Facility and other borrowings	17.9	$ 13.2
Less: Original discount on borrowings	1.2
Less: Deferred financing costs	1.6
Total long-term portion, obligations under credit facility and other borrowings	$ 351.1	$ 373.5

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Obligations related to long-term debt and capital lease obligations before current portion and discount on debt.

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Amount, after accumulated amortization, of debt discount.

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The carrying amount of deferred costs.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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