XML 38 R52.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Revenue from Contracts with Customers - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Disaggregation of Revenue [Line Items]  
Increase in contract assets $ 5.2
Decrease in contract liabilities 3.1
Revenue recognized $ 4.5
Minimum  
Disaggregation of Revenue [Line Items]  
Customer payment terms 30 days
Maximum  
Disaggregation of Revenue [Line Items]  
Customer payment terms 90 days