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v3.21.1

Debt - Footnote to Borrowings (Details) |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 28, 2020 USD ($) | Mar. 31, 2021 USD ($) segment | Dec. 31, 2020 USD ($) | Jun. 22, 2020 USD ($)
Debt Instrument [Line Items] |  |  |  |
Long term debt |  | $ 1,995,919,000 | $ 2,006,046,000 |
Weighted average annual effect rate |  | 5.02% |  |
Term Loan Facility | 2020 Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Contractual annualized interest rate |  | 1.50% |  |
Floating eurodollar base rate |  | 0.125% |  |
Additional interest above base rate |  | 1.375% |  |
Aggregate principal amount | $ 400,000,000.0 |  |  |
Debt term | 5 years |  |  |
Long term debt |  | $ 390,000,000 | 395,000,000 |
Senior Notes | Senior Notes Due 2028 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Aggregate principal amount |  | 800,000,000.0 |  | $ 800,000,000.0
Debt instrument, fixed interest rate |  |  |  | 4.50%
Long term debt |  | 800,000,000 | 800,000,000 |
Senior Notes | Senior Notes Due 2030 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Aggregate principal amount | $ 800,000,000.0 | 800,000,000.0 |  |
Debt instrument, fixed interest rate | 3.75% |  |  |
Long term debt |  | $ 800,000,000 | 800,000,000 |
Connecticut Economic Development Program |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Number of loans | segment |  | 2 |  |
Connecticut Economic Development Program | Economic Development Loan 1 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, fixed interest rate |  | 3.00% |  |
Debt term |  | 10 years |  |
Long term debt |  | $ 900,000 |  |
Connecticut Economic Development Program | Economic Development Loan 2 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, fixed interest rate |  | 1.75% |  |
Debt term |  | 10 years |  |
Revolving credit facility | Line of Credit | 2020 Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Remaining borrowing capacity |  | $ 1,000,000,000.0 |  |
Debt term | 5 years |  |  |
Long term debt |  | $ 0 | $ 5,000,000 |

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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=120520924&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=120400017&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=120391452&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=120398452&loc=d3e534808-122878 + Details
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