Stock-Based Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2013

Text Block [Abstract]

Schedule of Assumptions Used in Black-Scholes Option-Pricing Model

Compensation costs for stock options have been estimated on the grant date using the Black-Scholes option-pricing method. The weighted average assumptions used in the Black-Scholes option-pricing model are as follows:

	Six months ended
	June 30,
	2013			2012
Dividend yield		2.0	%		2.0	%
Expected volatility		43.1	%		43.3	%
Risk-free interest rate		1.1	%		1.1	%
Expected option term (years)		6.0 years			6.0 years

Summary of Activity Related to Company's Restricted Stock

A summary of the activity related to the Company’s restricted stock for the six months ended June 30, 2013 and 2012 is as follows:

	Six months ended June 30,
	2013					2012
				Weighted-Avg.					Weighted-Avg.
				Grant-Date					Grant-Date
	Shares			Fair Value		Shares			Fair Value
Unvested shares, beginning of period		65		$	42		84		$	29
Granted (1)		65			50		50			44
Vested		(3	)		37		(5	)		30
Unvested shares, end of period		127			46		129			35

(1) The total value of the restricted share grants for the six months ended June 30, 2013 and 2012 was $3,271 and $2,184, respectively.

Summary of Stock Option Activity Under All Plans

A summary of stock option activity under all plans for the six months ended June 30, 2013 and 2012, is presented below:

	Six months ended June 30,
	2013					2012
				Exercise					Exercise
	Shares			Price		Shares			Price
Options outstanding, beginning of period		685		$	34		1,501		$	31
Granted		29			50		29			44
Exercised		(44	)		28		(622	)		29
Options outstanding, end of period (1)		670			35		908			33
Options exercisable, end of period (1)		613			34		840			33
Options vested and expected to vest, end of period (1)		667			35		905			33
Weighted average fair value of options granted during the period	$	17.26				$	15.18

(1) At June 30, 2013, the aggregate intrinsic value of stock options outstanding, exercisable and vested/expected to vest was $9,805, $9,595 and $9,793, respectively. At that same date, the weighted average remaining contractual lives of stock options outstanding, exercisable and vested/expected to vest was 3.7 years, 3.2 years and 3.6 years, respectively.

Upon the exercise of stock options, the Company issues shares of common stock from treasury shares or, to the extent treasury shares are not available, from authorized common shares. The total intrinsic value of stock options exercised for the six months ended June 30, 2013 and 2012 was $927 and $11,569, respectively.

Schedule of Outstanding Options into Two Ranges, Based on Exercise Prices

At June 30, 2013, the Company segregated its outstanding options into two ranges, based on exercise prices, as follows:

Option Ranges	Options Outsanding						Options Exercisable
			Weighted Avg.		Weighted Avg.				Weighted Avg.
	Shares		Exercise Price		Life (Years)		Shares		Exercise Price
$12.22 - $37.45		337	$	25		3.2		328	$	25
$39.95 - $50.30		333		45		4.1		285		44
Total		670		35		3.7		613		34