Annual report pursuant to Section 13 and 15(d)

Debt - Narrative (Details)

v3.10.0.1
Debt - Narrative (Details)
Dec. 31, 2018
USD ($)
Jan. 04, 2019
Dec. 31, 2017
USD ($)
Apr. 01, 2016
USD ($)
Debt Instrument [Line Items]        
Long term debt $ 99,300,000   $ 85,000,000  
Assets of wholly owned domestic subsidiaries individually or together (more than) 1,000,000      
Long-term obligations, net of fees 70,600,000   85,000,000  
Short-term obligation 3,700,000   0  
Lines of credit available to Foreign Subsidiaries 8,700,000      
Amount triggering cross-default provision $ 15,000,000      
Maximum        
Debt Instrument [Line Items]        
Credit arrangement covenant net leverage ratio multiple 3.00      
Covenant terms, minimum fixed charge coverage ratio 1.25      
Minimum        
Debt Instrument [Line Items]        
Credit arrangement covenant net leverage ratio multiple 1      
Covenant terms, minimum fixed charge coverage ratio 1      
Revolving Credit Facility        
Debt Instrument [Line Items]        
Letters of credit sublimit $ 25,000,000      
Swing line loans 15,000,000      
Outstanding under revolving credit facility 25,000,000      
Letters of credit outstanding $ 3,900,000      
Unused capacity commitment fee (percent) 0.20%      
Fees for outstanding letters of credit, percentage 1.875%      
Line of Credit        
Debt Instrument [Line Items]        
Long-term obligations, net of fees $ 70,600,000   $ 0  
Line of Credit | Revolving Credit Facility | LIBOR        
Debt Instrument [Line Items]        
Basis spread on variable rate 0.75%      
Credit Agreement | Revolving Credit Facility        
Debt Instrument [Line Items]        
Maximum borrowing capacity $ 150,000,000      
Long term debt 75,000,000      
Credit facility, increase that can be requested 25,000,000      
Credit Agreement | Term Loan | Revolving Credit Facility        
Debt Instrument [Line Items]        
Long term debt 75,000,000      
Long-term obligations, net of fees 70,600,000      
ABL Facility | Line of Credit | Revolving Credit Facility        
Debt Instrument [Line Items]        
Maximum borrowing capacity 225,000,000     $ 225,000,000
Cash distribution to former parent 94,000,000      
Fees related to facility $ 600,000      
Interest rate 6.25%      
Subsequent Event | Line of Credit | Revolving Credit Facility        
Debt Instrument [Line Items]        
Interest rate   4.26%