Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2013

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 September 30,					Nine Months Ended September 30,
	2013			2012		2013			2012
Common shares outstanding, end of period(a)		37,296			37,125		37,296			37,125
Effect of using weighted average common shares outstanding		(3	)		30		(112	)		1
Shares used in computing earnings per share—basic		37,293			37,155		37,184			37,126
Effect of shares issuable under stock option plans based on the treasury stock method		245			90		153			91
Effect of contingently issuable restricted shares		93			87		107			48
Shares used in computing earnings per share—diluted		37,631			37,332		37,444			37,265

(a)

Excludes 0.1 million and 0.2 million shares of unvested contingently issuable restricted stock outstanding as of September 30, 2013 and 2012, respectively.