XML 81 R68.htm IDEA: XBRL DOCUMENT v3.19.1
Intangible Assets Intangible Assets - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Amortization of Intangible Assets $ 1.1 $ 1.2
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 10 years