Reconciliation of Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Schedule of Earnings Per Share Reconciliation

	Three months ended					Three months ended
(in thousands, except per share amounts)	March 31, 2012					March 31, 2011
	Net			Per Share		Net			Per Share
	Income		Shares	Amount		Income		Shares	Amount
Basic EPS	$	57,406	72,102	$	0.80	$	94,268	72,001	$	1.31
Effect of dilutive securities
Stock options			216					233
Non-vested restricted stock			8					6
Diluted EPS	$	57,406	72,326	$	0.79	$	94,268	72,240	$	1.30