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Long-Term Debt and Short-Term Borrowings - Long-Term Debt - Narrative (Detail) |  |  |  | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 18, 2021 USD ($) | Mar. 04, 2019 USD ($) | Aug. 13, 2015 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2021 EUR (€) | Jul. 09, 2021 USD ($) | Dec. 31, 2020
2021 Credit Agreement | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Minimum coverage ratio of EBITDA to total interest expense expressed in percentage |  |  |  | 2.00% |  |  |
Maximum leverage ratio of total debt less available cash to EBITDA expressed in percentage |  |  |  | 4.25% |  |  |
Maximum leverage ratio during first four quarter that qualified acquisition is consummated |  |  |  | 4.75% |  |  |
Coverage ratio of EBITDA to total interest expense expressed in percentage |  |  |  | 47.74% | 47.74% |  |
Leverage ratio of total debt less available cash to EBITDA expressed in percentage |  |  |  | (0.32%) | (0.32%) |  |
4.875% Senior Notes | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Face amount of debt |  |  | $ 600,000,000 |  |  |  |
Interest rate of long-term debt |  |  | 4.875% | 4.875% | 4.875% |  |
Redemption price percentage |  |  | 99.24% |  |  |  |
2.5% Senior Notes | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Face amount of debt | $ 500,000,000 |  |  |  |  |  |
Interest rate of long-term debt | 2.50% |  |  | 2.50% | 2.50% |  | 2.50%
Principal amount of debt issued, percentage of face value | 98.451% |  |  |  |  |  |
Redemption price, discount rate, adjustment to treasury rate | 0.20% |  |  |  |  |  |
Senior notes outstanding |  |  |  | $ 487,900,000 |  |  |
2.5% Senior Notes | Senior Notes | On Or After January 1, 2031 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Redemption price percentage | 100.00% |  |  |  |  |  |
Tranche A term loan facility | 2019 Credit Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments on line of credit |  | $ 300,000,000 |  |  |  |  |
Tranche A term loan facility | 2021 Credit Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Face amount of debt | € |  |  |  |  | € 300,000,000 |  |
Maximum leverage ratio |  |  |  | 2.50% |  |  |
Revolving credit facility | 2019 Credit Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Increase in revolving credit commitment |  |  |  |  |  | $ 350,000,000 |
Revolving credit facility | 2021 Credit Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Amounts available to borrow under credit agreement |  |  |  | $ 3,150,000,000 |  |  |
Euro term loan facility | 2021 Credit Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Face amount of debt | € |  |  |  |  | € 400,000,000 |  |

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