XML 61 R44.htm IDEA: XBRL DOCUMENT v3.19.2
Revenue - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 01, 2018
Jun. 30, 2019
Jul. 01, 2018
Dec. 31, 2018
Revenue from Contract with Customer [Abstract]        
Revenue, performance obligation satisfied over time, percentage (less than) 3.00%   3.00%  
Contract assets   $ 1.7   $ 2.1
Contract asset, reclassified to receivables   1.6    
Contract liabilities   $ 0.6   $ 1.1