Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2012

Stockholders' Equity

Reconciliation of number of shares outstanding with the number of shares used in computing basic and diluted earnings per share

The following table reconciles the number of shares outstanding with the number of shares used in computing basic and diluted earnings per share for each of the periods presented (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012			2011
Common shares outstanding, end of period(a)		37,163		37,414		37,163			37,414
Effect of using weighted average common shares outstanding		3		216		(52	)		170
Shares used in computing earnings per share—basic		37,166		37,630		37,111			37,584
Effect of shares issuable under stock option plans based on the treasury stock method		81		110		92			—
Effect of contingently issuable restricted stock		—		2		29			—
Shares used in computing earnings per share—diluted		37,247		37,742		37,232			37,584

(a)

Excludes 0.2 million and 0.4 million shares of unvested contingently issuable restricted stock outstanding as of June 30, 2012 and 2011, respectively.