Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

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

Stock option awards activity

The following table summarizes activity involving stock option awards for the year ended December 31, 2015:

	Number of Options		Weighted- Average Exercise Price
	(in thousands)
Outstanding and Exercisable at December 31, 2014	4,106		$	37.99
Exercised	(335	)	26.00
Forfeited/Expired	(246	)	30.33
Outstanding and Exercisable at December 31, 2015	3,525		39.67

Restricted stock and restricted stock unit awards activity

The following table summarizes activity involving restricted stock and restricted stock unit awards for the year ended December 31, 2015:

	Number of Shares		Weighted- Average Grant Date Fair Value
	(in thousands)
Non-vested at December 31, 2014	4,400		$	36.59
Granted	2,904		31.83
Vested	(1,724	)	35.71
Forfeited	(678	)	38.95
Non-vested at December 31, 2015	4,902		33.86