Sale of Assets	12 Months Ended
Dec. 31, 2020
Discontinued Operations and Disposal Groups [Abstract]
Sale of Assets	Sale of AssetsDuring the second quarter of 2020, the Company committed to a plan to sell certain Voice assets in Australia and New Zealand as they were determined to be non-core assets. Such assets were recorded within the Voice, Backup, Security, and CPP reportable segment. On August 31, 2020, in a cash transaction, the Company sold these Voice assets for a gain of $17.1 million which was recorded in gain on sale of businesses on the Consolidated Statement of Operations.

The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-URI http://asc.fasb.org/topic&trid=2155823

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=2122178

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