Annual report pursuant to Section 13 and 15(d)

Debt - Narrative (Details)

v3.20.1
Debt - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2019
Nov. 09, 2019
Debt Instrument [Line Items]      
Long term debt $ 99.3 $ 42.5  
Assets of wholly owned domestic subsidiaries individually or together (more than)   1.0  
Revolving Credit Facility      
Debt Instrument [Line Items]      
Letters of credit sublimit $ 25.0 20.0  
Swing line loans   15.0  
Letters of credit outstanding   3.9  
Unused capacity commitment fee (percent) 0.20%    
Fees for outstanding letters of credit, percentage 2.375%    
Line of Credit | Revolving Credit Facility | LIBOR      
Debt Instrument [Line Items]      
Basis spread on variable rate 2.25%    
Credit Agreement | Revolving Credit Facility      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 150.0 100.0 $ 100.0
Long term debt 25.0 42.2  
Credit facility, increase that can be requested 25.0    
Credit Agreement | Term Loan | Revolving Credit Facility      
Debt Instrument [Line Items]      
Long term debt 75.0 $ 42.2 25.0
Credit Agreement | Revolving Credit Facility | Revolving Credit Facility      
Debt Instrument [Line Items]      
Long term debt     $ 75.0
Credit Agreement | Line of Credit | Revolving Credit Facility      
Debt Instrument [Line Items]      
Long term debt $ 75.0    
ABL Facility | Line of Credit | Revolving Credit Facility      
Debt Instrument [Line Items]      
Interest rate   3.94%