Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2017

A summary of our stock options as of March 31, 2017 and the changes during the three months then ended is presented below:

Options	Shares (In thousands)			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value (In thousands)
Outstanding at January 1, 2017		1,024		$	14.02
Granted		—			—
Exercised		(181	)		12.36
Forfeited		—			—
Expired		(45	)		45.36
Outstanding at March 31, 2017		798		$	12.63		4.7	$	13,139
Exercisable at March 31, 2017		732		$	12.33		4.5	$	12,275

Summary of Restricted Stock and Restricted Stock Units

The following table shows a summary of our restricted stock and restricted stock units as of March 31, 2017, as well as activity during the three months then ended:

	Restricted Stock and Restricted Stock Units
	Shares (In thousands)			Weighted- Average Grant Date Fair Value
Nonvested at January 1, 2017		939		$	13.11
Granted		4			27.97
Vested		(98	)		10.47
Forfeited		(37	)		11.70
Nonvested at March 31, 2017		808		$	13.57

Summary of Market Stock Units

The following table shows a summary of our market stock units as of March 31, 2017, as well as activity during the three months then ended:

	Market Stock Units
	Shares (In thousands)			Weighted- Average Grant Date Fair Value
Nonvested at January 1, 2017		406		$	8.75
Granted		—			—
Vested		(8	)		5.46
Forfeited		(25	)		5.95
Nonvested at March 31, 2017		373		$	9.01