XML 104 R90.htm IDEA: XBRL DOCUMENT v3.19.1
SCHEDULE I - CONDENSED FINANCIAL INFORMATION (Details 4) - USD ($)
Jan. 31, 2019
Dec. 31, 2018
Nov. 18, 2015
Jul. 31, 2015
Term Loan        
Line of Credit Facility [Line Items]        
Face amount       $ 425,000,000.0
Revolving loan        
Line of Credit Facility [Line Items]        
Maximum borrowing available       25,000,000.0
Letter-of-credit sub-facility        
Line of Credit Facility [Line Items]        
Maximum borrowing available       $ 10,000,000.0
Credit Facility        
Schedule of principal repayments under the Term Loan        
2019   $ 6,419,000    
2020   4,853,000    
2021   401,625,000    
2022   0.0    
2023   0.0    
Cap on dividends paid and shares and warrants that can be repurchased per fiscal year under restrictive covenants   $ 12,000,000.0 $ 12,000,000  
Subsequent event | Revolving loan        
Line of Credit Facility [Line Items]        
Maximum borrowing available $ 12,500,000