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v3.19.1

Long-Term Debt - Additional Information (Details) - USD ($) |  |  |  |  |  | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 25, 2019 | Feb. 12, 2019 | Sep. 14, 2018 | Oct. 31, 2016 | Jun. 22, 2016 | Aug. 31, 2013 | Mar. 31, 2019 | Jun. 08, 2018 | Jun. 05, 2014
Forward Starting Interest Rate Swap Agreement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate on notional value (as a percent) |  |  |  |  |  |  | 3.46% |  |
Interest rate swap agreements, notional amount |  |  |  |  |  |  |  |  | $ 150,000,000
2018 Refinancing Credit Agreement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest Coverage ratio |  |  |  |  |  |  | 3.00 |  |
Leverage ratio |  |  |  |  |  |  | 3.25 |  |
Cash consideration |  |  |  |  |  |  | $ 500,000,000 |  |
Maximum Leverage Ratio permitted |  |  |  |  |  |  | 3.75 |  |
Restrictive covenants, leverage ratio |  |  |  |  |  |  | 3.50 |  |
2018 Refinancing Credit Agreement | LIBOR Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Letters of credit subject to financial covenant restrictions |  |  |  |  |  |  | $ 300,000,000 |  |
2018 Refinancing Credit Agreement | LIBOR Rate | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  |  |  |  |  | 1.00% |  |
2018 Refinancing Credit Agreement | LIBOR Rate | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  |  |  |  |  | 1.875% |  |
2018 Refinancing Credit Agreement | Base Rate | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  |  |  |  |  | 0.00% |  |
2018 Refinancing Credit Agreement | Base Rate | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  |  |  |  |  | 0.875% |  |
2016 Refinancing Credit Agreement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Deferred financing cost |  |  |  |  | $ 3,000,000 |  |  |  |
2016 Refinancing Credit Agreement | Federal Funds Effective Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  |  |  |  |  | 0.50% |  |
2016 Refinancing Credit Agreement | LIBOR Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  |  |  |  |  | 10000.00% |  |
2016 Refinancing Credit Agreement | Base Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  |  |  |  |  | 0.00% |  |
2016 Refinancing Credit Agreement | Base Rate | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  |  |  |  |  | 0.00% |  |
2016 Refinancing Credit Agreement | Base Rate | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  |  |  |  |  | 7500.00% |  |
2016 Refinancing Credit Agreement | Alternative Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  |  |  |  |  | 17500.00% |  |
2016 Refinancing Credit Agreement | Alternative Rate | Minimum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  |  |  |  |  | 7500.00% |  |
2016 Refinancing Credit Agreement | Alternative Rate | Maximum |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  |  |  |  |  | 17500.00% |  |
Bridge Loan | 2018 Refinancing Credit Agreement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility, amount |  |  |  |  |  |  |  | $ 2,500,000,000 |
Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument face amount |  |  | $ 2,500,000,000 |  |  |  |  |  |
Increase in interest rate |  | 0.25% |  |  |  |  |  |  |
Senior Notes | Floating Rate Notes, due 2021 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument face amount |  |  | $ 500,000,000 |  |  |  |  |  |
Debt instrument, term |  |  | 1 year |  |  |  |  |  |
Debt issuance price (as a percent) |  |  | 100.00% |  |  |  |  |  |
Deferred financing cost |  |  | $ 3,500,000 |  |  |  |  |  |
Senior Notes | Floating Rate Notes, due 2021 | LIBOR Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate |  |  | 1.05% |  |  |  |  |  |
Senior Notes | 4.15% Senior Notes, due 2024 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument face amount |  |  | $ 750,000,000 |  |  |  |  |  |
Debt issuance price (as a percent) |  |  | 99.805% |  |  |  |  |  |
Deferred financing cost |  |  | $ 7,400,000 |  |  |  |  |  |
Stated interest rate (as a percent) |  |  | 4.15% |  |  |  | 4.15% |  |
Senior Notes | 4.70% Senior Notes, due 2028 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument face amount |  |  | $ 1,250,000,000 |  |  |  |  |  |
Debt issuance price (as a percent) |  |  | 99.889% |  |  |  |  |  |
Deferred financing cost |  |  | $ 10,600,000 |  |  |  |  |  |
Stated interest rate (as a percent) |  |  | 4.70% |  |  |  | 4.70% |  |
Senior Notes | 3.45% Senior Notes, due 2026 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument face amount |  |  |  | $ 750,000,000 |  |  |  |  |
Debt issuance price (as a percent) |  |  |  | 99.965% |  |  |  |  |
Deferred financing cost |  |  |  | $ 2,700,000 |  |  |  |  |
Stated interest rate (as a percent) |  |  |  | 3.45% |  |  | 3.45% |  |
Senior Notes | 4.375% Senior Notes, due 2023 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument face amount |  |  |  |  |  | $ 250,000,000 |  |  |
Debt issuance price (as a percent) |  |  |  |  |  | 99.879% |  |  |
Deferred financing cost |  |  |  |  |  | $ 2,600,000 |  |  |
Stated interest rate (as a percent) |  |  |  |  |  | 4.375% | 4.375% |  |
Senior Notes | 2018 Refinancing Credit Agreement | Letter of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility, amount |  |  |  |  |  |  | $ 27,600,000 |  |
Letters of credit subject to financial covenant restrictions |  |  |  |  |  |  | $ 675,100,000 |  |
Line of Credit | 2018 Refinancing Credit Agreement | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility, amount |  |  |  |  |  |  |  | 1,200,000,000.0 |
Uncommitted accordion feature |  |  |  |  |  |  |  | 600,000,000 |
Line of Credit | 2018 Refinancing Credit Agreement | Letter of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility, amount |  |  |  |  |  |  |  | 450,000,000 |
Line of Credit | 2018 Refinancing Credit Agreement | Term Loan |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility, amount |  |  |  |  |  |  |  | 350,000,000 |
Line of Credit | 2018 Refinancing Credit Agreement | Delayed Draw Term Loan |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility, amount |  |  |  |  |  |  |  | 400,000,000 |
Commitment fee | 0.175% |  |  |  |  |  |  |  |
Line of Credit | 2018 Refinancing Credit Agreement | Swing Line Sub Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility, amount |  |  |  |  |  |  |  | $ 75,000,000 |
Line of Credit | 2016 Refinancing Credit Agreement | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility, amount |  |  |  |  | $ 1,200,000,000.0 |  |  |  |
Credit facility loan term, years |  |  |  |  | 5 years |  |  |  |
Line of Credit | 2016 Refinancing Credit Agreement | Term Loan |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Revolving credit facility, amount |  |  |  |  | $ 400,000,000 |  |  |  |

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