Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 2011

Basis of Presentation

Reconciliation of basic weighted average shares outstanding and diluted weighted average shares outstanding

	Three months ended		Nine months ended
	September 30,		September 30,
	2011	2010	2011	2010
Basic weighted average shares outstanding	39,335	39,946	40,132	39,508
Dilutive effect of stock options and restricted stock	734	1,301	983	1,540
Dilutive effect of convertible notes	—	1,011	826	1,127
Diluted weighted average shares outstanding	40,069	42,258	41,941	42,175