Segment Information - Schedule of Revenue from External Customers and Identifiable Assets, by Geographical Areas (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net Revenue	$ 721,341	$ 591,068	$ 630,690	$ 643,674	$ 687,235	$ 626,481	$ 757,938	$ 754,698	$ 2,586,773	$ 2,826,352	$ 2,644,311
Operating Income	118,977	$ 52,373	$ 101,685	$ 119,663	156,317	$ 138,681	$ 199,940	$ 185,828	392,698	680,766	825,446
Identifiable Assets	5,639,581				4,997,241				5,639,581	4,997,241	4,928,677
Americas [Member]
Segment Reporting Information [Line Items]
Net Revenue									1,544,063	1,615,736	1,558,070
Operating Income									241,992	434,111	596,044
Identifiable Assets	2,908,926				2,557,904				2,908,926	2,557,904	2,600,412
EMEA [Member]
Segment Reporting Information [Line Items]
Net Revenue									873,007	1,022,994	903,525
Operating Income									120,481	206,578	193,781
Identifiable Assets	2,437,788				2,150,597				2,437,788	2,150,597	2,039,385
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net Revenue									169,703	187,622	182,716
Operating Income									30,225	40,077	35,621
Identifiable Assets	$ 292,867				$ 288,740				$ 292,867	$ 288,740	$ 288,880