Share-Based Incentive Plan (Tables)

9 Months Ended

Sep. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

The following table summarizes stock option and SAR (together, “stock awards”) activity:



	Number of Shares Under Stock Awards		Weighted Average Exercise Price per Share
Outstanding at December 31, 2017	7,198,684		$	35.17
Granted	847,590		40.92
Exercised	(720,226	)	21.77
Forfeited	(286,473	)	48.37
Outstanding at September 30, 2018	7,039,575		$	36.69
Vested and expected to vest at September 30, 2018	6,821,737		$	36.48
Exercisable at September 30, 2018	5,335,545		$	34.76

Nonvested Restricted Stock and Restricted Stock Unit Awards Activity

A summary of the status of the Company’s nonvested restricted ordinary shares and restricted stock unit awards, including PSUs (collectively, “restricted stock awards”), as of September 30, 2018 and the changes during the nine months ended September 30, 2018 are presented below:



	Number of Restricted Stock Awards		Weighted Average Grant-Date Fair Value per Share
Nonvested at December 31, 2017	5,964,207		$	41.92
Granted	1,542,727		41.03
Released	(682,557	)	50.06
Forfeited	(257,208	)	44.88
Nonvested at September 30, 2018	6,567,169		$	40.79