XML 61 R49.htm IDEA: XBRL DOCUMENT v3.8.0.1
Long-Term Debt (Narrative) (Details)
Dec. 31, 2017
USD ($)
2012 ABL Revolver | Revolving Credit Facility  
Debt Instrument [Line Items]  
Line of credit facility, amount outstanding $ 70,000,000
Line of credit facility, additional borrowing capacity $ 95,900,000.0
Senior Notes | 2016 Senior Notes  
Debt Instrument [Line Items]  
Debt instrument, stated interest rate (percent) 6.375%
Senior Notes | 2013 Senior Notes  
Debt Instrument [Line Items]  
Debt instrument, stated interest rate (percent) 5.375%