Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

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

Summary of stock option activity

A summary of stock option activity as of June 30, 2016 and changes during the first six months of 2016 is presented below:

	2016
	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
	(In whole shares)				(In millions)
Outstanding - beginning of year	60,000	$	19.41
Granted	—	—
Exercised	—	—
Canceled or expired	—	—
Outstanding - end of period	60,000	$	19.41	1.4 years	$	1.7
Options exercisable	60,000	$	19.41	1.4 years	$	1.7

Summary of restricted share and performance share activity

A summary of restricted share activity for the six months ended June 30, 2016 is as follows:

	2016
	Time-Based				Performance-Based
	Number of Shares		Weighted Average Grant Date Fair Value		Number of Shares		Weighted Average Grant Date Fair Value
	(In whole shares)				(In whole shares)
Outstanding - beginning of year	208,429		$	36.61	120,000		$	48.72
Granted	58,570		30.72		165,000		34.78
Vested	(99,998	)	40.16		(40,000	)	48.72
Performance-based to time-based (a)	80,000		48.72		(80,000	)	48.72
Canceled or expired	(834	)	34.53		—		—
Outstanding - end of period	246,167		$	37.71	165,000		$	34.78

(a) During the second quarter of 2016, 40,000 of the performance-based restricted shares granted in 2015 fully vested based on achievement of the performance criteria. In accordance with the grant agreements, the remaining 80,000 shares became time-based, vesting over the remaining two years of the requisite service period.