Quarterly report pursuant to Section 13 or 15(d)

Derivatives and Risk Management (Details)

v3.8.0.1
Derivatives and Risk Management (Details) - Cash Flow Hedging - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 28, 2017
Sep. 29, 2016
Sep. 28, 2017
Sep. 29, 2016
Dec. 29, 2016
Interest Rate Swap          
Derivative Instruments, Gain (Loss) [Line Items]          
Notional amount         $ 17,500
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]          
Gain (loss) reclassified from AOCI to earnings, effective Portion $ 0 $ 0 $ 0 $ 0  
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net [Abstract]          
Gain (loss) recognition in other comprehensive loss, effective portion 0 44 0 67  
Interest Rate Swap | Other Noncurrent Assets          
Derivative Instruments, Gain (Loss) [Line Items]          
Derivative Asset, Noncurrent         0
Interest Rate Cap          
Derivative Instruments, Gain (Loss) [Line Items]          
Notional amount 205,000   205,000   205,000
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]          
Gain (loss) reclassified from AOCI to earnings, effective Portion 0 0 0 0  
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net [Abstract]          
Gain (loss) recognition in other comprehensive loss, effective portion (121) $ 0 (887) $ 0  
Interest Rate Cap | Other Noncurrent Assets          
Derivative Instruments, Gain (Loss) [Line Items]          
Derivative Asset, Noncurrent $ 1,021   $ 1,021   $ 2,473