Earnings Per Share

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

The computations of basic and diluted EPS are set forth below:

	For The Years Ended December 31,
	2012		2011		2010
	(in thousands, except per share amounts)
Numerator for basic and diluted EPS — net income allocated to common stockholders	$	42,092	$	44,578	$	34,526
Denominator for basic EPS — weighted average number of shares	30,553		31,021		30,727
Add — dilutive effect of:
Weighted average number of incremental shares issuable from restricted stock units	8		14		49
Denominator for diluted EPS — weighted average number of shares and dilutive potential shares	30,561		31,035		30,776
Earnings per share:
Basic	$	1.38	$	1.44	$	1.12
Diluted	$	1.38	$	1.44	$	1.12

The Performance Stock may convert to shares of the Company’s common stock in tranches of 659,926 shares and 439,951 shares on the third and fifth anniversary of the closing of the Acquisition, respectively, if certain revenue targets are achieved. If the revenue target for a tranche is not achieved, the Performance Stock in that tranche will be canceled. During 2012, the performance target related to the first tranche of Performance Stock was achieved. The weighted number of shares and dilutive potential shares include the conversion of the first tranche of Performance Stock to common shares as of the date the revenue target was achieved 2012. The weighted number of shares and dilutive potential shares do not include the Performance Stock shares related to the second tranche, which will be evaluated on or before the fifth anniversary of the closing of the Acquisition. See “Note 3 — Acquisition”.