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Stock Repurchase Program (Tables)
 9 Months Ended
Sep. 30, 2017
Class of Stock [Line Items]  
Treasury Stock [Text Block]
The following table provides a summary of the Company’s stock repurchase activities during the three and nine months ended September 30, 2017 and October 1, 2016 (in thousands, except per share amounts):
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
2017
 
October 1,
2016
 
September 30,
2017
 
October 1,
2016
Shares repurchased
 
533

 
—

 
533

 
1,496

Average cost per share
 
$
84.86

 
$
—

 
$
84.86

 
$
42.39

Value of shares repurchased
 
$
45,261

 
$
—

 
$
45,261

 
$
63,403