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Subsequent Events (Detail) $ / shares in Units, $ in Thousands, € in Millions				3 Months Ended		6 Months Ended
	Jul. 29, 2020 $ / shares	Jul. 07, 2020 EUR (€)	Jul. 07, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
Subsequent Event [Line Items]
Loss on debt extinguishment				$ 1,868	$ 0	$ 8,309	$ 382
Subsequent Event
Subsequent Event [Line Items]
Cash dividends declared (in dollars per share) \| $ / shares	$ 2.66
Senior Notes \| Subsequent Event
Subsequent Event [Line Items]
Loss on debt extinguishment			$ 93,500
Amount representing redemption premium			77,800
Write off of unamortized debt issuance			15,700
Senior Notes \| 2.875% Euro Senior Notes due 2024
Subsequent Event [Line Items]
Interest rate (percent)				2.875%		2.875%
Senior Notes \| 2.875% Euro Senior Notes due 2024 \| Subsequent Event
Subsequent Event [Line Items]
Redemption of senior debt \| €		€ 750.0
Senior Notes \| 5.875% Senior Notes due 2026
Subsequent Event [Line Items]
Interest rate (percent)				5.875%		5.875%
Senior Notes \| 5.875% Senior Notes due 2026 \| Subsequent Event
Subsequent Event [Line Items]
Redemption of senior debt			$ 1,100,000