Balance Sheet Components - Goodwill and Other Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill And Intangible Assets [Line Items]
Goodwill	$ 4,411,762	$ 2,986,064	$ 1,063,200
Intangible assets, gross	2,805,117	956,967
Accumulated amortization	(420,145)	(237,736)
Intangible assets, net	2,384,972	719,231	224,565	$ 147,527
Customer relationships
Goodwill And Intangible Assets [Line Items]
Intangible assets, gross	2,682,656	839,593
Accumulated amortization	(334,985)	(183,270)
Trade names
Goodwill And Intangible Assets [Line Items]
Intangible assets, gross	73,295	69,519
Accumulated amortization	(71,728)	(43,830)
Favorable leases
Goodwill And Intangible Assets [Line Items]
Intangible assets, gross	39,470	38,139
Accumulated amortization	(10,196)	(8,027)
Licenses
Goodwill And Intangible Assets [Line Items]
Intangible assets, gross	9,696	9,697
Accumulated amortization	(3,236)	(2,591)
Others [Member]
Goodwill And Intangible Assets [Line Items]
Intangible assets, gross	0	19
Accumulated amortization	0	(18)
Reportable geographical components | Americas
Goodwill And Intangible Assets [Line Items]
Goodwill	1,561,512	469,438	460,203
Intangible assets, net	1,646,373	40,117	50,643	62,954
Reportable geographical components | EMEA
Goodwill And Intangible Assets [Line Items]
Goodwill	2,610,899	2,281,306	374,070
Intangible assets, net	631,219	562,361	44,355	62,185
Reportable geographical components | Asia-Pacific
Goodwill And Intangible Assets [Line Items]
Goodwill	239,351	235,320	228,927
Intangible assets, net	$ 107,380	$ 116,753	$ 129,567	$ 22,388