Income Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Weighted Average Number of Shares Outstanding Used to Compute Income Per Share

The weighted average numbers of shares outstanding used to compute income per share were as follows:



	Three months ended September 30,		Nine months ended September 30,
(Number of shares in thousands)	2012	2011	2012	2011
Basic weighted average shares outstanding	30,892	30,747	30,892	30,746
Dilutive potential common shares ⁽¹⁾	51	—	118	—
Diluted weighted average shares outstanding	30,943	30,747	31,010	30,746
⁽¹⁾Dilutive potential common shares omitted due to net loss	—	5	—	25

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The weighted average numbers of shares outstanding listed in the table below were anti-dilutive and excluded from the computation of diluted income per share, primarily because the average market price did not exceed the exercise price. These shares may be dilutive potential common shares in the future.



	Three months ended September 30,		Nine months ended September 30,
(Number of shares in thousands)	2012	2011	2012	2011
Stock options	1,115	1,179	1,072	1,124
Performance stock units	130	128	47	93
Restricted stock units	—	355	—	170