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Defined Benefit Plans (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 29, 2016
Jul. 01, 2015
Jun. 29, 2016
Jul. 01, 2015
Dec. 30, 2015
Components of net periodic benefit cost [Abstract]          
Pension settlement loss, pre-tax $ 24,297 $ 0 $ 24,297 [1] $ 0  
Additional minimum pension liability 900   900   $ 22,800
Pension Plan [Member]          
Components of net periodic benefit cost [Abstract]          
Service cost 0 95 105 190  
Interest cost 0 746 0 1,492  
Expected return on plan assets 0 (877) 0 (1,754)  
Amortization of net loss 0 433 0 866  
Net periodic benefit cost 0 397 105 794  
Employer contributions 9,500     0  
Assets used for settlements 67,700        
Other Defined Benefit Plans [Member]          
Components of net periodic benefit cost [Abstract]          
Interest cost 23 27 46 54  
Amortization of net loss 22 19 43 39  
Net periodic benefit cost $ 45 $ 46 89 93  
Employer contributions     100 $ 100  
Estimated employer contributions remainder of current fiscal year     $ 100    
[1] Before-tax amount related to the liquidation of our Pension Plan that was reclassified from accumulated other comprehensive loss and included as a component of operating (gains), losses and other charges, net in our Condensed Consolidated Statements of Income during the two quarters ended June 29, 2016. See Note 9 for additional details.