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Capital Disclosures (Details) - USD ($) | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2018 | Dec. 31, 2018 | Nov. 30, 2018 | Nov. 01, 2018 | Dec. 31, 2017
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Letters of credit outstanding |  | $ 14,400,000 |  |  | $ 13,600,000
Available borrowings |  | 132,800,000 |  |  | 73,500,000
Factoring of receivables from facility program |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Agreement to sell trade receivables, maximum capacity |  | 250,000,000 |  | $ 200,000,000.0 |
Accounts receivable sold during period |  | 130,000,000 |  |  | 80,000,000
Factoring of receivables from supplier financing program |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Accounts receivable sold during period |  | 50,000,000 |  |  | $ 52,300,000
New credit facility |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Notional amount | $ 800,000,000.0 |  |  |  |
New Term Loans, June |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Notional amount | 350,000,000.0 |  |  |  |
Revolving Facility Due June 2023 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Line of credit, maximum borrowing capacity | 450,000,000.0 |  |  |  |
Amount of accordion feature |  | 110,000,000 |  |  |
Letters of credit outstanding | 150,000,000 | 21,300,000 |  |  |
Available borrowings |  | $ 269,700,000 |  |  |
Revolving Facility Due June 2023 | Bridge Loan |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Line of credit, maximum borrowing capacity | $ 50,000,000.0 |  |  |  |
Revolving Facility Due June 2023 | Bridge Loan | Top of range |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Debt instrument term | 10 days |  |  |  |
New Term Loans, November |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Amount of accordion feature |  |  | $ 250,000,000.0 |  |

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