|
|
Spectrum |
|
Software, |
|
Projects under |
|
Total |
|
||||
|
|
|
|
|
|
|
|
|
|
||||
Cost: |
|
|
|
|
|
|
|
|
|
||||
|
|
|
|
|
|
|
|
|
|
||||
Balance as of December 31, 2015 |
|
$ |
1,006,910 |
|
$ |
631,507 |
|
$ |
20,901 |
|
$ |
1,659,318 |
|
Additions |
|
— |
|
99,663 |
|
25,819 |
|
125,482 |
|
||||
Business acquisition (note 10) |
|
— |
|
15,574 |
|
— |
|
15,574 |
|
||||
Net change in additions financed with accounts payable |
|
— |
|
(5,828 |
) |
(2,068 |
) |
(7,896 |
) |
||||
Retirements and other |
|
— |
|
(2,973 |
) |
— |
|
(2,973 |
) |
||||
Reclassification |
|
— |
|
26,677 |
|
(26,677 |
) |
— |
|
||||
|
|
|
|
|
|
|
|
|
|
||||
Balance as of December 31, 2016 |
|
1,006,910 |
|
764,620 |
|
17,975 |
|
1,789,505 |
|
||||
Additions |
|
— |
|
72,479 |
|
59,775 |
|
132,254 |
|
||||
Net change in additions financed with accounts payable |
|
— |
|
14,064 |
|
12,314 |
|
26,378 |
|
||||
Retirements and disposal |
|
(283,374 |
) |
(7,526 |
) |
— |
|
(290,900 |
) |
||||
Reclassification and other items |
|
— |
|
30,775 |
|
(30,775 |
) |
— |
|
||||
|
|
|
|
|
|
|
|
|
|
||||
Balance as of December 31, 2017 |
|
$ |
723,536 |
|
$ |
874,412 |
|
$ |
59,289 |
|
$ |
1,657,237 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Spectrum |
|
Software, |
|
Projects |
|
Total |
|
||||
|
|
|
|
|
|
|
|
|
|
||||
Accumulated amortization: |
|
|
|
|
|
|
|
|
|
||||
|
|
|
|
|
|
|
|
|
|
||||
Balance as of December 31, 2015 |
|
$ |
(247,664 |
) |
$ |
(340,256 |
) |
$ |
— |
|
$ |
(587,920 |
) |
Amortization |
|
— |
|
(78,392 |
) |
— |
|
(78,392 |
) |
||||
Retirements |
|
— |
|
64 |
|
— |
|
64 |
|
||||
|
|
|
|
|
|
|
|
|
|
||||
Balance as of December 31, 2016 |
|
(247,664 |
) |
(418,584 |
) |
— |
|
(666,248 |
) |
||||
Amortization |
|
— |
|
(85,462 |
) |
— |
|
(85,462 |
) |
||||
Retirements |
|
— |
|
2,445 |
|
— |
|
2,445 |
|
||||
|
|
|
|
|
|
|
|
|
|
||||
Balance as of December 31, 2017 |
|
$ |
(247,664 |
) |
$ |
(501,601 |
) |
$ |
— |
|
$ |
(749,265 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||
Net carrying amount: |
|
|
|
|
|
|
|
|
|
||||
|
|
|
|
|
|
|
|
|
|
||||
As of December 31, 2016 |
|
759,246 |
|
346,036 |
|
17,975 |
|
1,123,257 |
|
||||
As of December 31, 2017 |
|
$ |
475,872 |
|
$ |
372,811 |
|
$ |
59,289 |
|
$ |
907,972 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|