Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Stock-Based Compensation

Summary of stock option activity

	SHARES			WEIGHTED- AVERAGE EXERCISE PRICE	WEIGHTED- AVERAGE REMAINING CONTRACTUAL LIFE (in years)		AGGREGATE INTRINSIC VALUE (in thousands)
Options outstanding at January 1, 2009	3,654,901		$	37.97	3.8
Granted	482,000			14.22
Exercised	(192,630	)		6.09
Forfeited	(250,574	)		39.56
Options outstanding at December 31, 2009	3,693,697		$	36.43	3.1	$	5,277
Available for future grant	1,942,037
Total shares reserved at December 31, 2009	5,635,734
Options exercisable at December 31, 2009	2,810,299		$	39.92	3.0	$	2,882
Options outstanding at January 1, 2010	3,693,697		$	36.43	3.1
Granted	846,000			23.30
Exercised	(200,758	)		8.62
Forfeited	(616,283	)		46.46
Options outstanding at December 31, 2010	3,722,656		$	33.29	2.8	$	1,315
Available for future grant	1,477,072
Total shares reserved at December 31, 2010	5,199,728
Options exercisable at December 31, 2010	2,580,526		$	38.23	2.3	$	588
Options outstanding at January 1, 2011	3,722,656		$	33.29	2.8
Granted	781,000			16.52
Exercised	(44,398	)		11.97
Forfeited	(510,384	)		43.36
Options outstanding at December 31, 2011	3,948,874		$	28.91	2.4	$	553
Available for future grant	3,346,508
Total shares reserved at December 31, 2011	7,295,382
Options exercisable at December 31, 2011	2,574,246		$	34.35	1.7	$	369

Summary of stock options outstanding and exercisable

	OPTIONS OUTSTANDING					OPTIONS EXERCISABLE
RANGE OF EXERCISE PRICES		NUMBER OUTSTANDING	WEIGHTED- AVERAGE REMAINING LIFE (in years)		WEIGHTED- AVERAGE EXERCISE PRICE		NUMBER EXERCISABLE		WEIGHTED- AVERAGE EXERCISE PRICE
$14.13 to $16.68		1,203,000	3.4	$	15.86		311,345	$	14.83
$20.99 to $37.37		1,609,638	2.0		25.14		1,126,665		25.93
$40.00 to $72.13		1,136,236	1.9		48.06		1,136,236		48.06

Summary of weighted-average inputs used and fair values determined for stock options granted

		2011			2010			2009
Expected volatility		51.0	%		53.6	%		49.0	%
Expected dividend yield		0.7	%		0.5	%		0.9	%
Expected term (in years)		3.5			3.5			3.5
Risk-free rate		1.4	%		1.6	%		1.7	%
Weighted-average grant-date fair value	$	6.02		$	9.05		$	5.01

Summary of the Company's nonvested options

:

	2011					2010					2009
		SHARES			WEIGHTED- AVERAGE GRANT-DATE FAIR VALUE		SHARES			WEIGHTED- AVERAGE GRANT-DATE FAIR VALUE		SHARES			WEIGHTED- AVERAGE GRANT-DATE FAIR VALUE
Nonvested options outstanding at January 1		1,142,130		$	8.31		883,398		$	8.23		935,327		$	12.19
Granted		781,000			6.02		846,000			9.05		482,000			5.01
Vested		(498,507	)		8.37		(425,107	)		9.44		(410,180	)		13.10
Forfeited		(49,995	)		7.89		(162,161	)		8.79		(123,749	)		9.50
Nonvested options outstanding at December 31		1,374,628		$	7.00		1,142,130		$	8.31		883,398		$	8.23

Summary of activity relating to restricted stock unit awards

	2011		2010		2009
Restricted stock units at January 1	727,317		609,812		480,002
Shares awarded	305,000		404,000		416,482
Shares vested	(314,492	)	(235,496	)	(206,672	)
Shares forfeited	(60,000	)	(50,999	)	(80,000	)
Restricted stock units at December 31	657,825		727,317		609,812