v2.3.0.11

Earnings Per Share (Computation Of Earnings Per Share) (Details) (USD $) In Thousands, except Per Share data	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Earnings Per Share
Income from continuing operations	$ 46,706		$ 37,906		$ 104,888		$ 89,889
Denominator for basic earnings per share-Weighted-average shares outstanding	145,917		142,842		145,765		142,520
Stock options	2,107		2,637		2,113		2,771
Restricted stock	27		17		26		16
RSUs	80				103
Denominator for diluted earnings per share-Adjusted weighted-average shares outstanding	148,131		145,496		148,007		145,307
Basic earnings per share from continuing operations	$ 0.32	[1]	$ 0.27	[1]	$ 0.72	[1]	$ 0.63	[1]
Diluted earnings per share from continuing operations	$ 0.32	[1]	$ 0.26	[1]	$ 0.71	[1]	$ 0.62	[1]
[1] The sum of the individual earnings per share amounts may not equal the total due to rounding.

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