Stock-Based Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2011

Stock Based Compensation Plans [Abstract]

Restricted Stock and Restricted Stock Units

	Six Months
	Ended
	June 30, 2011
Restricted stock and stock units outstanding as of January 1, 2011		1,878,022
Granted		891,881
Converted Allegheny restricted stock		645,197
Exercised		(428,686	)
Forfeited		(71,775	)
Restricted stock and stock units outstanding as of June 30, 2011		2,914,639

Summary of stock option activities

				Weighted
				Average
	Number of			Exercise
Stock Option Activities	Shares			Price
Stock options outstanding as of January 1, 2011 (all exercisable)		2,889,066		$	35.18
Options granted		662,122			37.75
Converted Allegheny options		1,805,811			41.75
Options exercised		(691,304	)		31.38
Options forfeited/expired		(78,978	)		71.71
Stock options outstanding as of June 30, 2011		4,586,717		$	38.09
(3,924,595 options exercisable)

Summary of options outstanding by plan and range of exercise price

			Weighted		Remaining
	Shares Under		Average		Contractual
Exercise Prices	Options		Exercise Price		Life in Years
$20.02 – $30.74		1,045,122	$	26.54		2.02
$30.89 – $40.93		3,160,440		37.30		4.17
$42.72 – $51.82		3,883		51.02		0.70
$53.06 – $62.97		54,559		56.15		3.02
$64.52 – $71.82		9,042		67.50		5.24
$73.39 – $80.47		311,003		80.17		3.81
$81.19 – $89.59		2,668		85.39		6.09
Total		4,586,717	$	38.08		3.64