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Basis of Presentation and Significant Accounting Policies - Narrative (Detail) - center | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Nov. 02, 2020 | Oct. 01, 2020 | Jan. 08, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Effective income tax rate, continuing operations | 17.30% | 20.20% |  |  |
Bell Data Centers |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Data centers purchased |  |  | 1 | 12 |
Axtel |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Data centers purchased |  |  |  |  | 3

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- Definition Number Of Data Centers Acquired + References No definition available. + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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