Stock Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2011

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Historical Vesting Of TSR Performance Stock Awards

Year Vested	TSR Performance Period		Payout Level			Shares Issued
2009		2006-2008		200	%		128,800
2010		2007-2009		200	%		107,900
2011		2008-2010		97	%		16,781

Summary Activity Of Nonvested Stock Awards

	Restricted Stock Awards			Weighted- Average Grant Date Fair Value (per share)		Performance Stock Awards (a)			Weighted- Average Grant Date Fair Value (per share)
Nonvested at January 1, 2011		207,948		$	16.00		51,510		$	26.46
Granted		92,696			14.88		45,010			14.51
Vested		(99,155	)		16.13		(16,781	)		26.97
Forfeited		(1,598	)		15.05		(519	)		26.97
Nonvested at December 31, 2011		199,891		$	15.43		79,220	(b)	$	19.56

(a) The number of shares shown for the performance stock awards is based on the target number of share awards.

(b) No compensation expense was recognized in 2011 for 24,057 of these awards as it was not considered probable that the performance conditions would be achieved.

Stock Options [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Significant Assumptions Used To Determine Fair Value

	Year Ended December 31
	2011			2010			2009
Average grant date exercise price per share of unvested option awards	$	14.19		$	15.47		$	15.57
Dividend yield		.00	%		.00	%		.00	%
Expected volatility		46	%		44	%		35-44	%
Risk-free interest rates		2.19	%		2.40	%		1.99-2.76	%
Expected lives of options		4 years			6 years			3-6 years
Average grant date fair value per share of unvested option awards	$	5.73		$	6.91		$	6.55

TSR Performance Stock Awards [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Significant Assumptions Used To Determine Fair Value

	Year Ended December 31
	2011		2010		2009
Dividend yield		.00%		.00%		.00%
Expected volatility		65.4%		70.1%		52-53%
Risk-free interest rates		1.15%		1.38%		1.47-1.78%
Performance period		3 years		3 years		3 years

Employee Stock Option Plan [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary Activity Of Stock Options

	Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in thousands)
Outstanding at beginning of year		965,344		$	8.50
Granted		180,081			13.89
Exercised		(305,630	)		5.86
Forfeited		(1,445	)		13.89
Expired		(546	)		17.74
Outstanding at December 31, 2011		837,804		$	10.61		4.52	$	4,376
Exercisable at December 31, 2011		627,997		$	9.42		3.87	$	4,060
Exercisable and expected to vest at December 31, 2011		837,804		$	10.61		4.52	$	4,376

Non-Employee Directors' Stock Option Plan [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary Activity Of Stock Options

	Shares		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in thousands)
Outstanding at beginning of year		83,022	$	6.65
Granted		—		—
Exercised		—		—
Forfeited		—		—
Expired		—		—
Outstanding at December 31, 2011		83,022	$	6.65		3.42	$	686
Exercisable at December 31, 2011		83,022	$	6.65		3.42	$	686