NET INCOME PER SHARE (Tables)

9 Months Ended

Sep. 30, 2011

NET INCOME PER SHARE

Reconciliation of the weighted average number of shares outstanding used in calculating diluted earnings per share

	For the Three Months Ended September 30,		For the Nine Months Ended September 30,
	2011	2010	2011	2010
Weighted average number of basic common shares outstanding	49,779	48,570	49,607	47,565
Weighted average dilutive stock options, restricted stock, restricted stock units and performance share units	622	1,402	854	1,524
Assumed conversion of convertible debt	783	587	732	1,828
Weighted average number of diluted common and common equivalent shares outstanding	51,184	50,559	51,193	50,917
Anti-dilutive potential common shares	1,558	2,629	1,441	2,582