XML 49 R38.htm IDEA: XBRL DOCUMENT v3.19.1
Interest Rate Swaps Current Period OCI Activity (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax $ (1,947) $ 2,468