Basis of Presentation and Significant Accounting Policies - Narrative (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	May 02, 2022 center	Apr. 01, 2022 center	Sep. 01, 2021 center
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Effective income tax rate, continuing operations	11.70%	15.20%
EMEA and Asia-Pacific
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Unrecognized tax benefits, reversal | $		$ 70.0
EMEA
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Unrecognized tax benefits, reversal | $	$ 40.0
GPX India
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Data centers purchased | center					2
MainOne
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Data centers purchased | center				4
Empresa Nacional De Telecomunicaciones S.A.
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Data centers purchased | center			4
Metronode
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Unrecognized tax benefits | $		$ 32.3