Segment Information - Summary of Total Assets by Reportable Operating Segment (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 3,827,310	$ 4,178,179
Operating Segments [Member] | North America Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	4,145,070	3,814,408
Operating Segments [Member] | EMEA Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	627,644	699,856
Operating Segments [Member] | APAC Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	110,561	123,349
Intersegment Eliminations [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ (1,055,965)	$ (459,434)