Earnings per share (Policies)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

EPS Policy

Basic net income per share is calculated by dividing net income attributable to the Company, adjusted for any change in noncontrolling interest redemption rights in excess of fair value, by the weighted average number of common shares and vested stock units outstanding, net of shares held in escrow that under certain circumstances may be returned to the Company.