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v3.19.1

Debt and Credit Facilities - Amended and Restated Senior Secured Credit Facilities (Details) £ in Millions |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 12, 2018 USD ($) | Mar. 31, 2019 USD ($) | Jul. 12, 2018 GBP (£) | Jul. 12, 2018 USD ($) | Jul. 11, 2018 USD ($)
Interest Expense |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amortization expense |  | $ 400,000 |  |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Revolving credit facilities |  |  |  |  | $ 700,000,000
Term Loan A due July 2023 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Term loans |  |  | £ 29.4 | $ 186,500,000 |
Third Amended And Restated Credit Agreement | Line of Credit | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Revolving credit facilities |  |  |  | 1,000,000,000.0 |
Loss on debt redemption | $ 1,900,000 |  |  |  |
Accelerated amortization of original issuance discount | 1,500,000 |  |  |  |
Included in debt redemption was non-lender fees incurred | $ 400,000 |  |  |  |
Debt issuance lender fees |  |  |  | $ 700,000 |
Third Amended And Restated Credit Agreement | Line of Credit | Revolving Credit Facility | Other Assets |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt issuance costs capitalized |  | $ 4,900,000 |  |  |
Base Rate [Member] | Third Amended And Restated Credit Agreement | Revolving Credit Facility | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate | 1.25% |  |  |  |
Base Rate [Member] | Third Amended And Restated Credit Agreement | Revolving Credit Facility | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate | 2.00% |  |  |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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