Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Weighted-average Shares Used to Calculate Basic and diluted EPS

The following table reflects weighted-average shares used to calculate basic and diluted EPS for the periods presented (in thousands):

	Three Months Ended March 31,
	2012		2011
Basic shares		64,297		63,950
Dilutive shares		180		232
Diluted shares		64,477		64,182

Weighted-average antidilutive stock awards

The following table reflects weighted-average antidilutive stock awards for the periods presented (in thousands):

	Three Months Ended March 31,
	2012		2011
Weighted-average antidilutive shares		1,035		1,290