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Long-Term Debt and Short-Term Borrowings - Long-Term Debt - Narrative (Detail)				3 Months Ended
	Mar. 18, 2021 USD ($)	Mar. 04, 2019 USD ($)	Aug. 13, 2015 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2021 EUR (€)
Debt Instrument [Line Items]
Principal amount of debt issued, percentage of face value	98.451%
Redemption price, discount rate, adjustment to treasury rate	0.20%
2019 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				425.00%
Maximum leverage ratio during first four quarter that qualified acquisition is consummated				475.00%
4.875% Senior Notes | Senior Notes
Debt Instrument [Line Items]
Face amount of debt			$ 600,000,000.0
Redemption price percentage			99.24%
Interest rate of long-term debt			4.875%	4.875%	4.875%
2.5% Senior Notes | Senior Notes
Debt Instrument [Line Items]
Face amount of debt	$ 500,000,000.0
Interest rate of long-term debt	2.50%			2.50%	2.50%
Senior notes outstanding				$ 487,300,000
2.5% Senior Notes | Senior Notes | On Or After January 1, 2031
Debt Instrument [Line Items]
Redemption price percentage	100.00%
2.5% Senior Notes | Senior Notes | Any Time Prior To 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		$ 300,000,000.0
Face amount of debt | €					€ 300,000,000.0
Maximum leverage ratio				250.00%
Revolving credit facility | 2019 Credit Agreement
Debt Instrument [Line Items]
Amounts available to borrow under credit agreement				$ 2,800,000,000
Euro term loan facility | 2019 Credit Agreement
Debt Instrument [Line Items]
Face amount of debt | €					€ 400,000,000.0

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Maximum leverage ratio.

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Maximum leverage ratio during first four quarter that qualified acquisition is consummated.

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This element represents the maximum ratio of debt less available cash to earnings before interest, taxes, depreciation and amortization (EBITDA) allowed in the reporting entity's credit agreement.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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