XML 119 R101.htm IDEA: XBRL DOCUMENT v3.3.1.900
Retirement Plans (Schedule of Multi-employer Plans) (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 02, 2016
Dec. 27, 2014
Dec. 28, 2013
Multiemployer Plans [Line Items]      
Contributions $ 554 $ 366 $ 1,143
Multiemployer Plans, Pension [Member] | GCC/IBT National Pension Fund [Member] | Oregon Location [Member]      
Multiemployer Plans [Line Items]      
EIN 526118568    
Pension Plan Number 001    
Pension Protection Act Reported Status Red Red  
FIP/RP Status Implemented    
Contributions $ 219 $ 220 262
Surcharge imposed No    
Expiration Date of Collective Bargaining Agreement Jun. 30, 2016    
Multiemployer Plans, Pension [Member] | GCC/IBT National Pension Fund [Member] | Missouri Location [Member]      
Multiemployer Plans [Line Items]      
EIN 526118568    
Pension Plan Number 001    
Pension Protection Act Reported Status Red Red  
FIP/RP Status Implemented    
Contributions $ 177 $ 135 100
Surcharge imposed No    
Expiration Date of Collective Bargaining Agreement Feb. 26, 2017    
Multiemployer Plans, Pension [Member] | GCC/IBT National Pension Fund [Member] | Minneapolis Location [Member]      
Multiemployer Plans [Line Items]      
EIN 526118568    
Pension Plan Number 001    
Pension Protection Act Reported Status Red Red  
FIP/RP Status Implemented    
Contributions $ 0 $ 11 14
Surcharge imposed No    
Expiration Date of Collective Bargaining Agreement Apr. 30, 2017    
Multiemployer Plans, Pension [Member] | CWA/ITU Negotiated Pension Plan [Member] | Virginia Location [Member]      
Multiemployer Plans [Line Items]      
EIN 136212879    
Pension Plan Number 001    
Pension Protection Act Reported Status Red Red  
FIP/RP Status Implemented    
Contributions $ 158 $ 0 $ 88
Surcharge imposed No    
Expiration Date of Collective Bargaining Agreement Mar. 01, 2018