Segment Information - Long-Lived Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's long-lived assets	$ 12,177,044	$ 12,152,597
Operating lease right-of-use assets	1,414,711	1,475,367
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's long-lived assets	5,542,288	5,400,287
Operating lease right-of-use assets	374,778	387,598
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's long-lived assets	4,005,962	4,051,701
Operating lease right-of-use assets	495,554	521,129
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Company's long-lived assets	2,628,794	2,700,609
Operating lease right-of-use assets	$ 544,379	$ 566,640