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Debt and Credit Arrangements - Senior Secured Revolving Credit Facility and Term Loan (Details) - USD ($) |  | 3 Months Ended |
--- | --- | --- | ---
Jun. 14, 2019 | Mar. 31, 2020 | Dec. 31, 2019
Revolving Credit Facility | Credit Facilities 2019 |  |  |
Debt Instrument |  |  |
Maximum percentage of capital stock guaranteed by company |  | 65.00% |
Unamortized debt issuance costs |  | $ 5,200,000 | $ 5,500,000
Revolving Credit Facility | Credit Facilities 2019 | Adjusted Base Rate | Minimum |  |  |
Debt Instrument |  |  |
Debt instrument variable interest rate (percent) | 0.25% |  |
Revolving Credit Facility | Credit Facilities 2019 | Adjusted Base Rate | Maximum |  |  |
Debt Instrument |  |  |
Debt instrument variable interest rate (percent) | 1.25% |  |
Revolving Credit Facility | Credit Facilities 2019 | LIBOR | Minimum |  |  |
Debt Instrument |  |  |
Debt instrument variable interest rate (percent) | 1.25% |  |
Revolving Credit Facility | Credit Facilities 2019 | LIBOR | Maximum |  |  |
Debt Instrument |  |  |
Debt instrument variable interest rate (percent) | 2.25% |  |
Revolving Credit Facility | Term loan |  |  |
Debt Instrument |  |  |
Maximum borrowing capacity | $ 450,000,000.0 |  |
Debt issuance costs |  | $ 6,100,000 |
Debt instrument term |  | 5 years |
Revolving Credit Facility | Senior secured revolving credit facility |  |  |
Debt Instrument |  |  |
Maximum borrowing capacity | 550,000,000.0 |  |
Payments for debt issuance costs |  | $ 7,500,000 |
Unamortized debt issuance costs |  | $ 8,500,000 |
Debt instrument term |  | 5 years |
Revolving Credit Facility | Senior secured revolving credit facility due 2022 |  |  |
Debt Instrument |  |  |
Unamortized debt issuance costs |  | $ 2,500,000 |
Revolving Credit Facility Sub-limit - Letters of Credit | Senior secured revolving credit facility |  |  |
Debt Instrument |  |  |
Maximum borrowing capacity | 100,000,000.0 |  |
Revolving Credit Facility Sub-limit - Discretionary Letters of Credit | Senior secured revolving credit facility |  |  |
Debt Instrument |  |  |
Maximum borrowing capacity | 250,000,000.0 |  |
Revolving Credit Facility Sub-limit - Swingline | Senior secured revolving credit facility |  |  |
Debt Instrument |  |  |
Maximum borrowing capacity | $ 50,000,000.0 |  |

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- Definition Maximum Percentage Of Capital Stock Guaranteed By Companys Material Non US Subsidiaries For Obligations Under The Senior Credit Facility + References No definition available. + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
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