Share-Based Incentive Plan (Tables)

3 Months Ended

Mar. 31, 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	772,981		41.10
Exercised	(485,923	)	22.45
Forfeited	(177,480	)	49.42
Outstanding at March 31, 2018	7,308,262		$	36.30
Vested and expected to vest at March 31, 2018	7,069,168		$	36.03
Exercisable at March 31, 2018	5,472,652		$	33.91

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 March 31, 2018 and the changes during the three months ended March 31, 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	1,523,498		41.03
Released	(674,115	)	49.84
Forfeited	(206,346	)	45.40
Nonvested at March 31, 2018	6,607,244		$	40.80