Share-Based Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2015

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

Summary of restricted stock activity

The following is a summary of restricted stock activity for the six months ended June 30, 2015:

(shares in thousands)	Shares		Weighted Average Grant Date Fair Value /Share
Outstanding at January 1, 2015	1,171		$	31.80
Granted	388		36.04
Vested	(338	)	27.75
Forfeited	(51	)	32.04
Outstanding at June 30, 2015	1,170		$	34.40

Summary of performance based share grants

The following is a summary of performance-based share grants for the six months ended June 30, 2015:

(shares in thousands)	Shares		Weighted Average Grant Date Fair Value /Share
Outstanding at January 1, 2015	124		$	33.95
Granted	98		36.02
Vested	—		—
Forfeited	(10	)	32.17
Outstanding at June 30, 2015	212		$	34.86

Summary of the changes in outstanding stock options

The following is a summary of the changes in outstanding stock options for the six months ended June 30, 2015:

(shares in thousands)	Shares		Weighted Average Exercise Price / Share		Weighted  Average Remaining Contractual Term (Years)
Outstanding at January 1, 2015	2,989		$	28.60	6.5
Granted	677		36.00		10.0
Exercised	(348	)	27.26		5.2
Forfeited	(49	)	33.14		8.5
Outstanding at June 30, 2015	3,269		$	30.22	6.9
Options exercisable at June 30, 2015	2,121		$	27.38	5.8
Vested and expected to vest as of June 30, 2015	3,107		$	29.96	6.8

Weighted-average assumptions for 2015 grants

The following are weighted-average assumptions for 2015 grants:

Dividend yield	1.57		%
Volatility	27.77		%
Risk-free interest rate	1.64		%
Expected term (in years)	5.59
Weighted-average fair value / share	$	8.53