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Earnings per Share (Tables)
 6 Months Ended
Jun. 30, 2012
Earnings per Share [Abstract]  
Earnings per Share
 
The following table sets forth the computation of basic and diluted earnings per share for the three and six-month periods ended June 30, 2012 and 2011 (in thousands, except per share data):

 
Three Months
Ended June 30,
 
 
Six Months
Ended June 30,
 
 
2012
 
 
2011
 
 
2012
 
 
2011
 
Numerator:
 
 
 
 
 
 
 
 
 
 
 
 
Net income attributable to controlling interest
 
$
10,366
 
 
$
14,086
 
 
$
22,611
 
 
$
24,230
 
Denominator:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Denominator for basic earnings per share
 
 
22,691
 
 
 
22,576
 
 
 
22,667
 
 
 
22,571
 
Effect of dilutive securities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Employee stock options and restricted stock  units
 
 
242
 
 
 
315
 
 
 
274
 
 
 
285
 
Supplemental Executive Retirement Plan
 
 
108
 
 
 
101
 
 
 
106
 
 
 
100
 
Denominator for diluted earnings per share
 
 
23,041
 
 
 
22,992
 
 
 
23,047
 
 
 
22,956
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Net income attributable to controlling interest per share:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Basic
 
$
0.46
 
 
$
0.62
 
 
$
1.00
 
 
$
1.07
 
Diluted
 
$
0.45
 
 
$
0.61
 
 
$
0.98
 
 
$
1.06