Stock-Based Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2016

Restricted Stock

Stock-Based Compensation

Schedule of unvested restricted stock unit activity

The following table summarizes the Company’s unvested restricted stock unit activity for the six months ended June 30, 2016: 

	Shares		Weighted- Average Price		Aggregate Intrinsic Value *
Unvested Restricted Stock Units (RSUs)	(in thousands)				(in thousands)
Outstanding at January 1, 2016	527		$	31.56
Awarded	442
Vested	(340	)
Forfeited	(11	)
Outstanding at June 30,2016	618		$	31.81	$	24,745
Outstanding and expected to vest at June 30, 2016	605		$	31.81	$	24,163

* The intrinsic value is calculated using the closing price per share of $39.97 as reported by the New York Stock Exchange on June 30, 2016.

Non-Qualified Stock Options

Stock-Based Compensation

Summary of stock option activity

The following table summarizes the Company’s stock option activity for the six months ended June 30, 2016: 

	Shares		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life	Aggregate Intrinsic Value *
Non-Qualified Stock Options	(in thousands)				(in years)	(in thousands)
Outstanding at January 1, 2016	523		$	29.55
Exercised	(86	)
Forfeited	(1	)
Outstanding and exercisable at June 30, 2016	436		$	29.61	1.6	$	4,511

* The intrinsic value represents the amount, if any, by which the fair market value of the underlying common stock exceeds the exercise price of the stock option, using the closing price per share of $39.97 as reported by the New York Stock Exchange on June 30, 2016.