Credit Arrangements - Summary of Debt (Parenthetical) (Detail)				9 Months Ended
	Aug. 13, 2019	Aug. 09, 2019	May 10, 2019	Sep. 30, 2019
Senior Secured Term A Loan [Member] | Due in 2023 [Member]
Debt Instrument [Line Items]
Debt maturity year				2023
Senior Secured Term B Loan [Member] | Due in 2024 [Member]
Debt Instrument [Line Items]
Debt maturity year		2024		2024
Senior Secured Term B Loan [Member] | Due in 2025 [Member]
Debt Instrument [Line Items]
Debt maturity year		2025		2025
Senior Secured Additional Term B Loan [Member] | Due in 2025 [Member]
Debt Instrument [Line Items]
Debt maturity year				2025
5.0% Senior Notes [Member] | Due in 2026 [Member]
Debt Instrument [Line Items]
Debt maturity year				2026
5.0% Senior Notes [Member] | Due in 2027 [Member]
Debt Instrument [Line Items]
Debt maturity year			2027	2027
Debt instrument interest rate stated percentage			5.00%
5.0% Senior Notes [Member] | U.S Dollars [Member] | Due in 2026 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage				5.00%
5.0% Senior Notes [Member] | U.S Dollars [Member] | Due in 2027 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage				5.00%
3.25% Senior Notes [Member] | Due in 2025 [Member]
Debt Instrument [Line Items]
Debt maturity year				2025
3.25% Senior Notes [Member] | EUR Dollars [Member] | Due in 2025 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage				3.25%
3.5% Senior Notes [Member] | Due in 2024 [Member]
Debt Instrument [Line Items]
Debt maturity year				2024
3.5% Senior Notes [Member] | EUR Dollars [Member] | Due in 2024 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage				3.50%
2.875% Senior Notes [Member] | Due in 2025 [Member]
Debt Instrument [Line Items]
Debt maturity year				2025
2.875% Senior Notes [Member] | EUR Dollars [Member] | Due in 2025 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage				2.875%
4.875% Senior Notes [Member] | Due in 2023 [Member]
Debt Instrument [Line Items]
Debt maturity year	2023			2023
Debt instrument interest rate stated percentage	4.875%
4.875% Senior Notes [Member] | U.S Dollars [Member] | Due in 2023 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage				4.875%
Receivables Financing Facility [Member] | Due in 2020 [Member]
Debt Instrument [Line Items]
Debt maturity year				2020
Debt instrument interest rate terms, Description				LIBOR at average floating rates of 2.00%
2.25% Senior Notes [Member] | Due in 2028 [Member]
Debt Instrument [Line Items]
Debt maturity year	2028			2028
Debt instrument interest rate stated percentage	2.25%
2.25% Senior Notes [Member] | EUR Dollars [Member] | Due in 2028 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage				2.25%
Revolving credit facility [Member] | Due in 2023 [Member]
Debt Instrument [Line Items]
Debt maturity year				2023
LIBOR [Member] | Senior Secured Term A Loan [Member] | U.S Dollars [Member] | Due in 2023 [Member]
Debt Instrument [Line Items]
Average floating rate				3.60%
LIBOR [Member] | Senior Secured Term A Loan [Member] | EUR Dollars [Member] | Due in 2023 [Member]
Debt Instrument [Line Items]
Average floating rate				1.50%
LIBOR [Member] | Senior Secured Term B Loan [Member] | U.S Dollars [Member] | Due in 2024 [Member]
Debt Instrument [Line Items]
Average floating rate				4.10%
LIBOR [Member] | Senior Secured Term B Loan [Member] | U.S Dollars [Member] | Due in 2025 [Member]
Debt Instrument [Line Items]
Average floating rate				4.10%
LIBOR [Member] | Senior Secured Term B Loan [Member] | EUR Dollars [Member] | Due in 2024 [Member]
Debt Instrument [Line Items]
Average floating rate		0.00%		2.00%
LIBOR [Member] | Senior Secured Term B Loan [Member] | EUR Dollars [Member] | Due in 2025 [Member]
Debt Instrument [Line Items]
Average floating rate		0.00%
LIBOR [Member] | Senior Secured Additional Term B Loan [Member] | U.S Dollars [Member] | Due in 2025 [Member]
Debt Instrument [Line Items]
Average floating rate				3.85%
LIBOR [Member] | Senior Secured Additional Term B Loan [Member] | EUR Dollars [Member] | Due in 2025 [Member]
Debt Instrument [Line Items]
Average floating rate				2.00%
LIBOR [Member] | Receivables Financing Facility [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage				2.02%
LIBOR [Member] | Receivables Financing Facility [Member] | Due in 2020 [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage				2.92%
LIBOR [Member] | Revolving credit facility [Member]
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage				1.50%
LIBOR [Member] | Revolving credit facility [Member] | U.S Dollars [Member] | Due in 2023 [Member]
Debt Instrument [Line Items]
Average floating rate				3.54%