Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Equity (Summary of RSUs activity) (Details)

v3.7.0.1
Equity (Summary of RSUs activity) (Details) - Restricted Stock Units (RSUs) [Member]
3 Months Ended
Mar. 31, 2017
$ / shares
shares
Number of RSUs  
Unvested RSUs outstanding, beginning | shares 267,756
Forfeited | shares (33,120)
Vested | shares (49,523)
Unvested RSUs outstanding, ending | shares 185,113
Weighted Average Grant Date Fair Value  
Unvested RSUs outstanding, beginning | $ / shares $ 81.35
Forfeited | $ / shares 70.44
Vested | $ / shares 82.12
Unvested RSUs outstanding, ending | $ / shares $ 83.10