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Derivative Financial Instruments Derivative Financial Instruments (Details) - USD ($)
 3 Months Ended
Mar. 28, 2017
Mar. 29, 2016
Jan. 09, 2017
Dec. 27, 2016
Jul. 16, 2015
Derivative [Line Items]          
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
 
 
For the 13 Weeks Ended
 
 
March 28,
2017
 
March 29,
2016
Net gains (losses) recognized in OCI before reclassifications
 
$
(456
)
 
$
(2,743
)
Net (gains) losses reclassified from AOCI to earnings
 
$
403

 
$
—

        
Gain (Loss) on Interest Rate Cash Flow Hedge Ineffectiveness $ 0 $ 0      
Derivative Asset, Notional Amount     $ 200,000,000   $ 242,500,000.0
Interest Rate Derivative Liabilities, at Fair Value 2,304,000     $ 2,216,000  
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Accumulated Other Comprehensive Income (Loss), Net (456,000) (2,743,000)      
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months 1,000,000        
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net $ 403,000 $ 0      
2014 Term Loan [Member]          
Derivative [Line Items]          
Derivative, Inception Date Jul. 16, 2015        
Derivative, Effective Date Jul. 11, 2016        
Derivative, Term of Contract 4 years        
Derivative Asset, Notional Amount $ 100,000,000        
Derivative, Fixed Interest Rate 1.75%        
2015 Term Loan [Member]          
Derivative [Line Items]          
Derivative, Notional Amount Decrease $ 1,900,000        
Derivative, Inception Date Jul. 16, 2015        
Derivative, Effective Date Jul. 18, 2016        
Derivative, Term of Contract 5 years        
Derivative Asset, Notional Amount $ 142,500,000        
Derivative, Fixed Interest Rate 1.97%        
Interest Rate Swap Effective July 11, 2016 [Member]          
Derivative [Line Items]          
Derivative, Notional Amount Decrease $ 3,300,000        
Derivative, Notional Amount Decrease Change $ 2,500,000        
Derivative, Inception Date Jan. 09, 2017        
Derivative, Effective Date May 01, 2017        
Derivative, Term of Contract 1 year        
Derivative Asset, Notional Amount $ 200,000,000        
Derivative, Fixed Interest Rate 1.31%        
Interest Rate Swap Effective Date April 30, 2018 [Member]          
Derivative [Line Items]          
Derivative, Notional Amount Decrease $ 2,500,000        
Derivative, Inception Date Jan. 09, 2017        
Derivative, Effective Date Apr. 30, 2018        
Derivative, Term of Contract 9 years        
Derivative Asset, Notional Amount $ 187,500,000        
Derivative, Fixed Interest Rate 2.37%        
Accrued Liabilities [Member]          
Derivative [Line Items]          
Interest Rate Derivative Liabilities, at Fair Value $ 1,626,000     2,078,000  
Other Noncurrent Liabilities [Member]          
Derivative [Line Items]          
Interest Rate Derivative Liabilities, at Fair Value $ 678,000     $ 138,000