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Fair Value Measurements - Schedule of Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring and Non-Recurring Basis (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | $ 2,732.2 |  | $ 2,732.2 |  | $ 2,270.7
Derivative assets | 33.0 |  | 33.0 |  | 10.1
Derivative liabilities | 30.8 |  | 30.8 |  | 9.4
Related allowance | 4.1 |  | 4.1 |  | 6.8
Write downs | (0.2) | $ (0.1) | (0.7) | $ (0.1) |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans held for sale | 0.0 |  | 0.0 |  | 0.0
Deferred compensation plan assets | 0.0 |  | 0.0 |  | 0.0
Deferred compensation plan liabilities | 0.0 |  | 0.0 |  | 0.0
Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans held for sale | 108.9 |  | 108.9 |  | 33.3
Deferred compensation plan assets | 17.5 |  | 17.5 |  | 12.1
Deferred compensation plan liabilities | 17.5 |  | 17.5 |  | 12.1
Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans held for sale | 0.0 |  | 0.0 |  | 0.0
Deferred compensation plan assets | 0.0 |  | 0.0 |  | 0.0
Deferred compensation plan liabilities | 0.0 |  | 0.0 |  | 0.0
Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Related allowance | 4.1 |  | 4.1 |  | 6.8
Partial loan charge-offs | 7.8 |  | 7.8 |  | 5.4
U.S. Treasury Notes |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 7.0 |  | 7.0 |  | 2.6
U.S. Treasury Notes | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
U.S. Treasury Notes | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 7.0 |  | 7.0 |  | 2.6
U.S. Treasury Notes | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
State, county and municipal securities |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 78.4 |  | 78.4 |  |
State, county and municipal securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  |
State, county and municipal securities | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 78.4 |  | 78.4 |  |
State, county and municipal securities | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  |
Obligations of U.S. government agencies |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 426.7 |  | 426.7 |  | 559.2
Obligations of U.S. government agencies | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
Obligations of U.S. government agencies | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 426.7 |  | 426.7 |  | 559.2
Obligations of U.S. government agencies | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
U.S. agency residential mortgage-backed securities & collateralized mortgage obligations |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 2,063.2 |  | 2,063.2 |  | 1,544.8
U.S. agency residential mortgage-backed securities & collateralized mortgage obligations | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
U.S. agency residential mortgage-backed securities & collateralized mortgage obligations | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 2,063.2 |  | 2,063.2 |  | 1,544.8
U.S. agency residential mortgage-backed securities & collateralized mortgage obligations | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
Private mortgage-backed securities |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 54.1 |  | 54.1 |  | 70.2
Private mortgage-backed securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
Private mortgage-backed securities | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 54.1 |  | 54.1 |  | 70.2
Private mortgage-backed securities | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
Corporate securities |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 96.7 |  | 96.7 |  | 91.9
Corporate securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
Corporate securities | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 96.7 |  | 96.7 |  | 91.9
Corporate securities | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
Other investments |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 6.1 |  | 6.1 |  | 2.0
Other investments | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
Other investments | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 6.1 |  | 6.1 |  | 2.0
Other investments | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
Impaired loans | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Impaired loans | 0.0 |  | 0.0 |  | 0.0
Impaired loans | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Impaired loans | 0.0 |  | 0.0 |  | 0.0
Impaired loans | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Impaired loans |  |  |  |  | 24.1
Other real estate owned | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Other real estate owned | 0.0 |  | 0.0 |  | 0.0
Other real estate owned | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Other real estate owned | 0.0 |  | 0.0 |  | 0.0
Other real estate owned | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Other real estate owned | 2.9 |  | 2.9 |  | 0.6
Estimated Fair Value |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 2,732.2 |  | 2,732.2 |  | 2,270.7
Derivative assets | 33.0 |  | 33.0 |  | 10.1
Derivative liabilities | 30.8 |  | 30.8 |  | 9.4
Deferred compensation plan assets | 17.5 |  | 17.5 |  | 12.1
Deferred compensation plan liabilities | 17.5 |  | 17.5 |  | 12.1
Estimated Fair Value | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans held for sale | 108.9 |  | 108.9 |  | 33.3
Deferred compensation plan assets | 17.5 |  | 17.5 |  | 12.1
Deferred compensation plan liabilities | 17.5 |  | 17.5 |  | 12.1
Estimated Fair Value | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Long-lived assets to be disposed of by sale | 6.9 |  | 6.9 |  | 4.9
Estimated Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
Derivative assets | 0.0 |  | 0.0 |  | 0.0
Derivative liabilities | 0.0 |  | 0.0 |  | 0.0
Deferred compensation plan assets | 0.0 |  | 0.0 |  | 0.0
Deferred compensation plan liabilities | 0.0 |  | 0.0 |  | 0.0
Estimated Fair Value | Significant Other Observable Inputs (Level 2) |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 2,732.2 |  | 2,732.2 |  | 2,270.7
Derivative assets | 33.0 |  | 33.0 |  | 10.1
Derivative liabilities | 30.8 |  | 30.8 |  | 9.4
Deferred compensation plan assets | 17.5 |  | 17.5 |  | 12.1
Deferred compensation plan liabilities | 17.5 |  | 17.5 |  | 12.1
Estimated Fair Value | Significant Unobservable Inputs (Level 3) |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 0.0 |  | 0.0 |  | 0.0
Derivative assets | 0.0 |  | 0.0 |  | 0.0
Derivative liabilities | 0.0 |  | 0.0 |  | 0.0
Deferred compensation plan assets | 0.0 |  | 0.0 |  | 0.0
Deferred compensation plan liabilities | 0.0 |  | 0.0 |  | 0.0
Estimated Fair Value | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Impaired loans | 27.2 |  | 27.2 |  | 24.1
Estimated Fair Value | U.S. Treasury Notes | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 7.0 |  | 7.0 |  | 2.6
Estimated Fair Value | State, county and municipal securities | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 78.4 |  | 78.4 |  |
Estimated Fair Value | Obligations of U.S. government agencies | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 426.7 |  | 426.7 |  | 559.2
Estimated Fair Value | U.S. agency residential mortgage-backed securities & collateralized mortgage obligations | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 2,063.2 |  | 2,063.2 |  | 1,544.8
Estimated Fair Value | Private mortgage-backed securities | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 54.1 |  | 54.1 |  | 70.2
Estimated Fair Value | Corporate securities | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 96.7 |  | 96.7 |  | 91.9
Estimated Fair Value | Other investments | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 6.1 |  | 6.1 |  | 2.0
Estimated Fair Value | Impaired loans | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Impaired loans | 27.2 |  | 27.2 |  | 24.1
Estimated Fair Value | Other real estate owned | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Other real estate owned | 2.9 |  | 2.9 |  | 0.6
Carrying Amount |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Investment debt securities available-for-sale | 2,732.2 |  | 2,732.2 |  | 2,270.7
Derivative assets | 33.0 |  | 33.0 |  | 10.1
Derivative liabilities | 30.8 |  | 30.8 |  | 9.4
Deferred compensation plan assets | 17.5 |  | 17.5 |  | 12.1
Deferred compensation plan liabilities | 17.5 |  | 17.5 |  | 12.1
Carrying Amount | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Impaired loans | 39.1 |  | 39.1 |  | 36.3
Long-lived assets to be disposed of by sale | 7.1 |  | 7.1 |  | 5.4
Change During Period | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Long-lived assets to be disposed of by sale | 0.2 |  | 0.2 |  | 0.5
Interest Rate Swap |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 30.8 |  | 30.8 |  | 8.8
Derivative liabilities | 30.8 |  | 30.8 |  | 8.8
Interest Rate Swap | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 0.0 |  | 0.0 |  | 0.0
Derivative liabilities | 0.0 |  | 0.0 |  | 0.0
Interest Rate Swap | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 30.8 |  | 30.8 |  | 8.8
Derivative liabilities | 30.8 |  | 30.8 |  | 8.8
Interest Rate Swap | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 0.0 |  | 0.0 |  | 0.0
Derivative liabilities | 0.0 |  | 0.0 |  | 0.0
Interest Rate Swap | Estimated Fair Value | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 30.8 |  | 30.8 |  | 8.8
Derivative liabilities | 30.8 |  | 30.8 |  | 8.8
Interest Rate Lock Commitments | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 0.0 |  | 0.0 |  | 0.0
Interest Rate Lock Commitments | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 2.0 |  | 2.0 |  | 1.3
Interest Rate Lock Commitments | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 0.0 |  | 0.0 |  | 0.0
Interest Rate Lock Commitments | Estimated Fair Value | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 2.0 |  | 2.0 |  | 1.3
Forward Contracts | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 0.0 |  | 0.0 |  |
Derivative liabilities |  |  |  |  | 0.0
Forward Contracts | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 0.2 |  | 0.2 |  |
Derivative liabilities |  |  |  |  | 0.6
Forward Contracts | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 0.0 |  | 0.0 |  |
Derivative liabilities |  |  |  |  | 0.0
Forward Contracts | Estimated Fair Value | Fair Value Measured on a Recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Derivative assets | 0.2 |  | 0.2 |  |
Derivative liabilities |  |  |  |  | 0.6
Long-lived assets to be disposed of by sale | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Long-lived assets to be disposed of by sale | 0.0 |  | 0.0 |  | 0.0
Long-lived assets to be disposed of by sale | Significant Other Observable Inputs (Level 2) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Long-lived assets to be disposed of by sale | 0.0 |  | 0.0 |  | 0.0
Long-lived assets to be disposed of by sale | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Long-lived assets to be disposed of by sale | 6.9 |  | 6.9 |  | 4.9
Long-lived assets to be disposed of by sale | Estimated Fair Value | Significant Unobservable Inputs (Level 3) | Fair Value Measured on a Non-recurring Basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Long-lived assets to be disposed of by sale | $ 6.9 |  | $ 6.9 |  | $ 4.9

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