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v3.20.4

Debt - Additional Information (Details) |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 22, 2018 EUR (€) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 EUR (€) | Dec. 31, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |
Credit lines, remaining borrowing capacity |  | $ 270,600,000 |  |
2022 |  | 494,000,000.0 |  |
2023 |  | 0.0 |  |
2024 |  | 0.0 |  |
2025 |  | 0.0 |  |
Notes due June 2026 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal amount | € | € 500,000,000.0 |  | € 500,000,000.0 |
Interest rate (as a percent) | 1.75% |  |  |
Net proceeds | € | € 495,700,000 |  |  |
Discounted issue price (as a percent) | 99.564% |  |  |
Effective interest rate (as a percent) | 1.809% |  |  |
Notes due June 2026 | Designated as economic hedges | Euro-denominated notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal amount |  | $ 606,700,000 | 500,000,000.0 |
Notes due June 2018 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal amount | € | € 350,000,000.0 |  |  |
Notes due September 2022 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal amount | € |  |  | € 400,000,000.0 |
Interest rate (as a percent) |  | 1.875% | 1.875% |
Notes due September 2022 | Designated as economic hedges | Euro-denominated notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Principal amount |  | $ 487,800,000 | € 400,000,000.0 |
Uncommitted credit lines |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit lines, maximum borrowing capacity |  | 340,300,000 |  |
Credit lines, remaining borrowing capacity |  | 310,900,000 |  |
Uncommitted credit lines | First, second, and fourth quarters |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit lines, maximum borrowing capacity |  | 300,000,000.0 |  |
Uncommitted credit lines | Third quarter |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit lines, maximum borrowing capacity |  | 600,000,000.0 |  |
Five year credit agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit lines, maximum borrowing capacity |  | 600,000,000.0 |  |
Credit lines, remaining borrowing capacity |  | $ 599,500,000 |  | $ 599,500,000
Credit agreement term |  | 5 years |  |
Outstanding letters of credit |  | $ 500,000 |  | 500,000
Credit facility, expiration date |  | Jun. 18, 2023 |  |
Facility fee (as a percent) |  | 0.125% |  |
Credit spread (as a percent) |  | 1.00% |  |
Maximum debt-to-EBITDA ratio |  | 0.035 |  |
Minimum fixed charge coverage ratio |  | 0.015 |  |
Stand-by letters of credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Credit lines, maximum borrowing capacity |  | $ 150,000,000.0 |  |
Outstanding letters of credit |  | $ 0 |  | $ 0

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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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