Equity (Tables)
|
9 Months Ended |
Sep. 30, 2017 |
|---|
| Equity [Abstract] |
|
| Schedule of Share-based Compensation Expense |
Stock-based compensation
expenses for equity-classified stock options and RSUs were allocated as
follows:
|
|
Three Months Ended |
|
Nine Months Ended |
|
|
September
30, |
|
September
30, |
|
|
2017 |
|
2016 |
|
2017 |
|
2016 |
|
|
U.S. $ in thousands |
| Cost
of sales |
|
$ |
642 |
|
$ |
680 |
|
$ |
2,084 |
|
$ |
2,131 |
| Research and development, net |
|
|
905 |
|
|
1,103 |
|
|
2,843 |
|
|
3,819 |
| Selling, general and administrative |
|
|
3,351 |
|
|
3,001 |
|
|
9,206 |
|
|
9,936 |
| Total stock-based compensation expenses |
|
$ |
4,898 |
|
$ |
4,784 |
|
$ |
14,133 |
|
$ |
15,886 |
|
| Summary of Stock Options Activity |
A summary of the Companys
stock option activity for the nine months ended September 30, 2017 is as
follows:
|
|
|
|
|
Weighted Average |
|
|
Number of
Options |
|
Exercise
Price |
| Options outstanding as of January 1, 2017 |
|
2,615,461 |
|
|
$ |
37.21 |
| Granted |
|
2,038,698 |
|
|
|
20.53 |
| Exercised |
|
(196,003 |
) |
|
|
13.43 |
| Forfeited |
|
(630,962 |
) |
|
|
38.40 |
| Options outstanding as of September 30, 2017 |
|
3,827,194 |
|
|
$ |
29.35 |
| Options exercisable as of September 30, 2017 |
|
1,457,880 |
|
|
$ |
39.17 |
|
| Summary of RSUs activity |
A summary of the Companys
RSUs activity for the nine months ended September 30, 2017 is as
follows:
|
|
|
|
|
Weighted Average |
|
|
Number of
RSUs |
|
Grant Date Fair
Value |
| Unvested RSUs outstanding as of January 1,
2017 |
|
267,756 |
|
|
$ |
81.35 |
| Granted |
|
267,014 |
|
|
|
20.12 |
| Forfeited |
|
(111,299 |
) |
|
|
75.54 |
| Vested |
|
(80,233 |
) |
|
|
55.22 |
| Unvested RSUs outstanding as of September 30,
2017 |
|
343,238 |
|
|
$ |
41.71 |
|
| Schedule of Accumulated other comprehensive income (loss) |
The following tables present
the changes in the components of accumulated other comprehensive income (loss),
net of taxes, for the nine months ended September 30, 2017 and 2016,
respectively:
|
|
Nine months ended
September 30, 2017 |
|
|
Net unrealized gain |
|
Foreign currency |
|
|
|
|
|
|
|
(loss) on cash flow |
|
translation |
|
|
|
|
|
|
hedges |
|
adjustments |
|
Total |
|
|
U.S. $ in thousands |
| Balance as of January 1, 2017 |
|
$ |
(24 |
) |
|
$ |
(13,455 |
) |
|
$ |
(13,479 |
) |
| Other comprehensive income before
reclassifications |
|
|
994 |
|
|
|
5,103 |
|
|
|
6,097 |
|
| Amounts reclassified from accumulated other
comprehensive loss |
|
|
(894 |
) |
|
|
- |
|
|
|
(894 |
) |
| Other comprehensive income |
|
|
100 |
|
|
|
5,103 |
|
|
|
5,203 |
|
| Balance as of September 30, 2017 |
|
$ |
76 |
|
|
$ |
(8,352 |
) |
|
$ |
(8,276 |
) |
|
|
Nine months ended
September 30, 2016 |
|
|
Net unrealized gain |
|
Foreign currency |
|
|
|
|
|
|
(loss) on cash flow |
|
translation |
|
|
|
|
| |
|
Hedges |
|
adjustments |
|
Total |
|
|
U.S. $ in thousands |
| Balance as of January 1, 2016 |
|
$ |
(107 |
) |
|
$ |
(10,667 |
) |
|
$ |
(10,774 |
) |
| Other comprehensive income
(loss) before reclassifications |
|
|
813 |
|
|
|
(324 |
) |
|
|
489 |
|
| Amounts reclassified from accumulated other comprehensive loss |
|
|
(385 |
) |
|
|
- |
|
|
|
(385 |
) |
| Other comprehensive income |
|
|
428 |
|
|
|
(324 |
) |
|
|
104 |
|
| Balance as of September 30, 2016 |
|
$ |
321 |
|
|
$ |
(10,991 |
) |
|
$ |
(10,670 |
) |
|