Stock Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2012

Stock Incentive Plans

Details of the exercisable stock options

	Aggregate				Per Share			Weighted-Average
	Intrinsic Value		Number of		Option Price			Exercise Price
	(in thousands)		Options		Range			Per Option
Exercisable at December 31, 2011	$	402	77,440		$24.82	-	$26.95	$	24.88
Exercised			(9,518	)	$24.82	-	$26.95	$	25.37
Exercisable at March 31, 2012	$	508	67,922		$24.82			$	24.82

Summary of stock awards unit activity

	Aggregate
	Intrinsic Value		Number of
	(in thousands)		Stock Awards
Outstanding units granted at December 31, 2011	$	86,970	2,891,298
Units Granted			238,994
Units Paid (in shares)			(195,968	)
Units Canceled			(7,000	)
Outstanding value and units granted at March 31, 2012	$	94,523	2,927,324