XML 49 R39.htm IDEA: XBRL DOCUMENT v3.5.0.2
Discontinued Operations - Summary of Financial Information for Fiber Optic Licensing Operations (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Discontinued Operations, Disposed of by Sale        
Net income from discontinued operations as presented in the statements of operations $ 605 $ 173,212 $ 605 $ 193,109
Fiber Optic Licensing Division [Member]        
Discontinued Operations, Disposed of by Sale        
Revenues   8,736   59,998
Cost of services (including depreciation)   3,037   24,748
Selling, general and administrative expenses (980) 366 (980) 10,247
Amortization of intangible assets   138   963
Other income (expense) items that are not major       10
Income before taxes of discontinued operations 980 5,195 980 24,050
Pretax gain on the disposal of the fiber optic licensing operations   271,833   271,833
Total pretax gain on fiber optic licensing operations 980 277,028 980 295,883
Provision for income taxes related to discontinued operations 375 103,816 375 102,774
Net income from discontinued operations as presented in the statements of operations $ 605 $ 173,212 $ 605 $ 193,109