Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2011

Stock-Based Compensation Plans

Assumptions used to determine the fair value of options granted

Number		Risk-
of Options		Free
Granted	Grant	Interest		Dividend		Expected				Fair
(in thousands)	Date	Rate		Yield		Life	Volatility		Exercise Price	Value
1994 Plan
1,362	02/03/11	2.62	%	1.75	%	6.2 years	39.0	%	$29.66 to $32.63	$	10.33
148	02/02/10	2.93	%	1.62	%	6.5 years	36.0	%	$24.75	$	8.46
24	02/23/09	2.08	%	2.48	%	6.5 years	30.9	%	$16.10	$	4.06
29	02/04/09	2.17	%	1.88	%	6.5 years	30.9	%	$21.25	$	5.86
1995 Plan
30	02/15/11	2.92	%	1.76	%	6.6 years	38.0	%	$29.58	$	10.49

Summary of stock option activity

					Weighted-
			Weighted-		Average	Aggregate
			Average		Remaining	Intrinsic
	Shares		Exercise		Contractual	Value*
Non-Qualified Stock Options	(in thousands)		Price		Life	(in thousands)
Outstanding at January 1, 2011	1,124		$	34.19	2.6	$	1,891
Granted	1,392		$	29.66
Exercised	(9	)	$	24.87
Forfeited	(373	)	$	34.88
Outstanding at December 31, 2011	2,134		$	31.15	4.8	$	8,053
Outstanding and expected to vest at December 31, 2011	2,081		$	31.21	4.7	$	7,804
Exercisable at December 31, 2011	892		$	33.92	3.1	$	2,471

* The intrinsic value represents the amount by which the fair market value of the underlying common stock exceeds the exercise price of the option, using the closing price per share of $33.66 on December 31, 2011.

Summary of unvested options activity

			Weighted-
			Average
	Shares		Grant-Date
Unvested Options	(in thousands)		Fair Value
Unvested at January 1, 2011	180		$	7.85
Granted	1,392		$	10.33
Vested	(325	)	$	9.84
Forfeiture	(5	)	$	9.25
Unvested at December 31, 2011	1,242		$	10.11