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Per Share Data (Tables)
9 Months Ended
Sep. 30, 2015
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares [Table Text Block]
The weighted average number of common shares used in the computation of basic and diluted earnings per share was as follows:
 
For the Three Months
 
For the Nine Months
 
Ended September 30,
 
Ended September 30,
(In thousands)
2015
 
2014
 
2015
 
2014
Basic
123,163

 
127,165

 
124,294

 
128,225

Diluted
128,947

 
133,001

 
130,563

 
133,886