Segment Information - Segment Disclosures (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Total depreciation and amortization	$ 313,178	$ 307,568
Capital expenditures	363,967	349,729
Americas [Member]
Segment Reporting Information [Line Items]
Total depreciation and amortization	166,770	157,578
Capital expenditures	144,495	147,329
EMEA [Member]
Segment Reporting Information [Line Items]
Total depreciation and amortization	84,165	93,280
Capital expenditures	164,355	154,391
Asia-Pacific [Member]
Segment Reporting Information [Line Items]
Total depreciation and amortization	62,243	56,710
Capital expenditures	$ 55,117	$ 48,009