Stockholders Equity (Tables)

12 Months Ended

Dec. 31, 2012

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

Changes in Shares of Common Stock

Details of changes in shares of common stock outstanding are provided below.

	Years Ended December 31,
	2012	2011	2010
	(In thousands)
Common stock shares outstanding:
Shares outstanding at beginning of year	3,635	3,629	3,626
Shares exercised under stock option plan	—	6	3
Shares outstanding at end of year	3,635	3,635	3,629

Summary of Shares Available for Grant and Stock Option Activity

A summary of shares available for grant and stock option activity is detailed below.

		Options Outstanding
	Shares Available For Grant	Shares		Weighted-Average Exercise Price
Stock Options:
Balance at January 1, 2012	291,000	86,118		$	187.83
Exercised	—	—		$	—
Forfeited	—	(3,650	)	$	224.89
Expired	—	—		$	—
Stock options granted	—	—		$	—
Balance at December 31, 2012	291,000	82,468		$	186.19

Schedule of Stock Appreciation Rights Activity

	Stock Appreciation Rights Outstanding
	Awards		Weighted-Average Exercise Price
Balance at January 1, 2012	75.411		$	126.64
Exercised	(2.9	)	$	120.82
Forfeited	(6.05	)	$	147.13
Granted	—		$	—
Balance at December 31, 2012	66,461		$	125.03

Summary of Information About Stock Options and SARs Outstanding

The following table summarizes information about stock options and SARs outstanding at December 31, 2012.

	Options and SARs Outstanding
	Number Outstanding		Weighted-Average Remaining Contractual Life	Number Exercisable
Exercise prices:
$150.00	50,050		1.3 years	50,050
$255.13	23,418		5.2 years	9,608
$208.05	9,000		5.4 years	7,200
$251.49	250		5.6 years	100
$236.00	400		0.1 years	400
$114.64	32,043		6.1 years	9,929
$132.56	33,768		9.0 years	1,800
Totals	148,929			79,087
Aggregate intrinsic value
(in thousands)	$	2,619		$	861

Summary of Assumptions Employed Using Black-Scholes Option Pricing Model

In estimating the fair value of the options outstanding at December 31, the Company employed the Black-Scholes option pricing model with assumptions as detailed below.

	December 31, 2012		December 31, 2011
Expected term of options	0 to 9 years		2 to 10 years
Expected volatility:
Range	19.54% to 34.93%		25.39% to 37.73%
Weighted-average	25.96	%	30.87	%
Expected dividend yield	23.00	%	0.26	%
Risk-free rate:
Range	0.39% to 1.49%		0.73% to 2.03%
Weighted-average	0.84	%	1.16	%