Stock Plans (Tables)

12 Months Ended

Dec. 31, 2014

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

Weighted Average for Key Assumptions in Determining Fair Value of Options Granted

The Company granted no options during 2014 or 2013. The weighted average for key assumptions used in determining the fair value of options granted in 2012 are as follows:


Expected volatility	70.6	%
Weighted-average expected volatility	70.6	%
Expected dividends	—
Expected term (in years)	5.2
Risk-free rate	0.9	%

Share Based Compensation Activity

A summary of stock option activity under the Company’s equity incentive plans as of December 31, 2014 and changes during the year ended December 31, 2014 is presented below:


				Weighted
				Average
	Number of			Exercise
Stock Options	Shares			Price
Outstanding at January 1, 2014		872,049		$	25.99
Granted		—			—
Exercised		(572,337	)		23.56
Canceled		(17,410	)		45.25

Outstanding at December 31, 2014		282,302			30.88

Exercisable at December 31, 2014		153,289			35.58

A summary of the status of the Company’s Restricted Stock Awards as of December 31, 2014 and changes during the year ended December 31, 2014, is presented below:


				Weighted
				Average
				Grant-Date
Restricted Stock Awards	Shares			Fair Value
Nonvested shares at January 1, 2014		610,227		$	34.20
Granted		155,478			41.61
Vested		(166,435	)		31.54
Canceled		(9,407	)		41.47

Nonvested shares at December 31, 2014		589,863			36.61

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

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