XML 38 R22.htm IDEA: XBRL DOCUMENT

Subsequent Event	3 Months Ended
Subsequent Event	May 04, 2019
Subsequent Event [Abstract]
Subsequent Event	14. Subsequent Event On April 11, 2019, we signed a definitive agreement to acquire Critical Signal Technologies, Inc. (“CST”), a health services company, for approximately $125 million and the acquisition was completed on May 9, 2019. CST will be included in our GreatCall operating segment and our Domestic reportable segment.