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Supplemental Cash Flow Information (Tables)
 6 Months Ended
Jun. 30, 2017
Supplemental Cash Flow Information [Abstract]  
Supplemental Disclosure of Cash Flow Information
The following is supplemental disclosure of cash flow information:
 
 
 
Six Months Ended
 
(In thousands)
 
June 30, 2017
 
 
July 1, 2016
 
 
 
 
 
 
 
 
Cash paid during period:
 
 
 
 
 
 
 
 
Income taxes
 
$
8,522
 
 
$
11,808
 
Non-cash investing and financing activities:
 
 
 
 
 
 
 
 
Unrealized gain on short-term investments
 
$
4
 
 
$
84
 
Vested stock unit awards issued to settle accrued bonuses
 
$
6,910
 
 
$
6,334
 
Accrual for capital expenditures
 
$
135
 
 
$
422