Management Compensation Plans (Tables)

Total shares available for awards and total shares subject to outstanding awards are as follows:



	As of December 31, 2018
	Shares Available for Awards	Shares Subject to Outstanding Awards
2018 GIP	7,256,282	50,003
2009 GIP	—	1,995,089

The Company realized income tax benefits from RSU vestings as follows:

A summary of changes in nonvested performance-based RSUs outstanding is as follows:



	Number of Units		Weighted Average Grant Date Fair Value
	(In thousands)		(In $)
As of December 31, 2017	860		64.71
Granted	227		94.54
Vested	(73	)	53.23
Canceled	(140	)	53.24
Forfeited	(62	)	75.43
As of December 31, 2018	812		75.25

A summary of changes in nonvested time-based RSUs outstanding is as follows:



	Number of Units		Weighted Average Grant Date Fair Value
	(In thousands)		(In $)
As of December 31, 2017	351		75.75
Granted	283		93.62
Vested	(201	)	78.56
Forfeited	(47	)	81.44
As of December 31, 2018	386		86.69

The weighted average grant date fair value of RSUs granted is as follows:

The fair value of shares vested for performance-based RSUs is as follows:

The fair value of shares vested for time-based RSUs is as follows: