Borrowing Arrangements - Principal Maturities of Long-Term Debt (Details ) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Future minimum payments of total long-term debt
2018	$ 21.6
2019	20.3
2020	113.1
2021	0.3
2022	0.3
Thereafter	0.0
Total debt	155.6
Current portion of long-term obligations under Restated Credit Facility and other long-term borrowings	20.6	$ 20.4
Less: Original discount on borrowings	0.8
Less: Deferred financing costs	1.0
Total long-term obligations under credit facility and other borrowings	$ 133.2	$ 174.7

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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 capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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