XML 56 R41.htm IDEA: XBRL DOCUMENT v3.19.3
Long-Term Obligations - 6.75% Senior Notes Due 2025 (Details) - Senior Notes - Senior 2025 Notes - USD ($)
$ in Millions
9 Months Ended
May 23, 2017
Sep. 30, 2019
Dec. 31, 2018
Debt Instrument [Line Items]      
Face amount of debt $ 250.0    
Interest rate (as percent) 6.75%    
Purchase price (as percent)   101.00%  
Long-term Line of Credit   $ 250.0  
Debt Instrument, Interest Rate, Effective Percentage   7.20%  
Deferred financing costs   $ 4.2 $ 4.8
Debt discount   $ 1.3 $ 1.5
Anytime prior to May 15, 2020      
Debt Instrument [Line Items]      
Redemption price, percentage of principal amount redeemed (as percent) 35.00%    
Redemption price (as percent) 106.75%    
Twelve-month period beginning on May 15, 2020      
Debt Instrument [Line Items]      
Redemption price (as percent) 105.063%    
Twelve-month period beginning on May 15, 2021      
Debt Instrument [Line Items]      
Redemption price (as percent) 103.375%    
Twelve-month period beginning on May 15, 2022      
Debt Instrument [Line Items]      
Redemption price (as percent) 101.688%    
Beginning on May 15, 2023 and thereafter      
Debt Instrument [Line Items]      
Redemption price (as percent) 100.00%