Stock-Based Compensation (Tables)

27 Months Ended

Mar. 31, 2013

A summary of the Company’s stock option activity for the three-month period ended March 31, 2013 is presented in the following table (underlying shares in thousands):


	Shares			Outstanding Weighted- Average Exercise Price (per share)		Aggregate Intrinsic Value		Weighted- Average Remaining Contractual Life
Outstanding at December 31, 2012		626		$	53.03
Granted		—		$	—
Exercised		(58	)	$	36.27
Forfeited		(15	)	$	70.93
Expired or canceled		—		$	—

Outstanding at March 31, 2013		553		$	54.31	$	11,725		4.1 years
Vested and expected to vest at March 31, 2013		547		$	54.12	$	11,697		4.1 years
Exercisable at March 31, 2013		400		$	48.05	$	10,983		3.5 years

Weighted-Average Assumptions Used in Valuation of Stock Options Awards

The weighted-average assumptions used for the periods indicated are noted in the table below; however, there were no stock options granted during the three-month period ended March 31, 2013:


	Three Months Ended March 31,
	2013		2012
Assumptions:
Risk-free interest rate		N/A		0.7	%
Dividend yield		N/A		0.3	%
Volatility factor		N/A		47
Expected life (in years)		N/A		4.1

Restricted Share Activity

A summary of the Company’s restricted share award activity for the three-month period ended March 31, 2013 is presented in the following table (underlying shares in thousands):


	Shares			Weighted- Average Grant- Date Fair Value (per share)
Nonvested at December 31, 2012		113		$	65.50
Granted		101		$	74.77
Vested		(3	)	$	43.43
Forfeited		(8	)	$	55.33

Nonvested at March 31, 2013		203		$	70.82