Management Compensation Plans (Tables)

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



	As of December 31, 2019
	Shares Available for Awards	Shares Subject to Outstanding Awards
2018 GIP	6,244,945	473,903
2009 GIP	—	959,696

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, 2018	812		75.25
Granted	259		92.61
Additional performance-based RSUs granted⁽¹⁾	330		56.14
Vested	(663	)	56.14
Forfeited	(88	)	90.70
As of December 31, 2019	650		89.86

______________________________

Represents additional 2016 performance-based RSU grants that were awarded in 2019 as a result of achieving internal profitability targets.

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, 2018	386		86.69
Granted	228		96.22
Vested	(188	)	80.95
Forfeited	(25	)	90.42
As of December 31, 2019	401		94.56

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: