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

Equity (Narrative) (Details)

v3.5.0.2
Equity (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Weighted average fair value of options granted $ 12.36  
Number of options exercised 102,511 125,193
Increase in equity $ 0.8 $ 2.4
Stock option term 10 years  
Vesting period 4 years  
Unrecognized compensation cost $ 16.7  
Weighted average period for recognition 2 years 8 months 12 days  
Restricted Stock Units (RSUs) [Member]    
Options granted 0  
Unrecognized compensation cost $ 14.6  
Weighted average period for recognition 2 years 1 month 6 days