Annual report pursuant to Section 13 and 15(d)

Long-term Debt - Other Narratives (Details)

v3.8.0.1
Long-term Debt - Other Narratives (Details)
12 Months Ended
Dec. 11, 2017
USD ($)
Oct. 03, 2017
USD ($)
Jun. 22, 2017
USD ($)
Jun. 12, 2017
EUR (€)
tranche
Dec. 29, 2016
USD ($)
Nov. 14, 2016
USD ($)
May 17, 2016
USD ($)
May 04, 2016
USD ($)
Oct. 24, 2013
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2017
JPY (¥)
May 04, 2016
EUR (€)
Dec. 31, 2014
USD ($)
Debt Instrument [Line Items]                              
Long term debt outstanding                   $ 2,270,279,000 $ 2,617,970,000        
Deferred financing costs                   21,403,000 27,275,000        
Original issue discount                   18,390,000 28,497,000        
Amortization of financing costs                     3,780,000 $ 2,801,000      
Amortization of debt discount                     3,079,000 $ 314,000      
Fair value aggregate differences                   $ 59,319,000 68,477,000        
Debt covenant, net debt to EBITDA ratio, first three years                   3     3    
Debt covenant, net debt to EBITDA ratio, after three years                   2.5     2.5    
Foreign debt                              
Debt Instrument [Line Items]                              
Variable rate on spread                   0.55%          
Notes payable                   $ 2,306,000 2,223,000        
Maximum borrowing capacity                   2,306,000     ¥ 260,000,000    
Term Loan Facility                              
Debt Instrument [Line Items]                              
Debt extinguishment costs           $ 474,000                  
Deferred financing costs           564,000                  
Original issue discount           $ 756,000                  
Previously Outstanding Debt                              
Debt Instrument [Line Items]                              
Debt extinguishment costs                   4,747,000          
Deferred financing costs                   6,252,000          
Original issue discount                   989,000          
October 2013 NMTC Agreement | Chase                              
Debt Instrument [Line Items]                              
Proceeds from contributions from affiliates                 $ 6,634,000            
October 2013 NMTC Agreement | Potters Industries, LLC                              
Debt Instrument [Line Items]                              
Proceeds from contributions from affiliates                 15,632,000            
Notes payable                 21,000,000 21,000,000          
October 2013 NMTC Agreement | Potters Industries, LLC | Note payable I                              
Debt Instrument [Line Items]                              
Notes payable                 5,368,000            
October 2013 NMTC Agreement | Potters Industries, LLC | Notes payable II                              
Debt Instrument [Line Items]                              
Notes payable                 $ 15,632,000            
May 2016 NMTC Agreement | Potters Industries, LLC                              
Debt Instrument [Line Items]                              
Proceeds from contributions from affiliates             $ 7,822,000                
Notes payable             11,000,000     11,000,000          
May 2016 NMTC Agreement | Potters Industries, LLC | Note payable I                              
Debt Instrument [Line Items]                              
Notes payable             7,823,000                
May 2016 NMTC Agreement | Potters Industries, LLC | Notes payable II                              
Debt Instrument [Line Items]                              
Notes payable             1,311,000                
May 2016 NMTC Agreement | Potters Industries, LLC | Notes payable III                              
Debt Instrument [Line Items]                              
Notes payable             1,866,000                
May 2016 NMTC Agreement | USB Investment Fund                              
Debt Instrument [Line Items]                              
Proceeds from contributions from affiliates             $ 3,732,000                
Debt instrument, term             7 years                
December 2016 NMTC Agreement | Potters Industries, LLC                              
Debt Instrument [Line Items]                              
Proceeds from contributions from affiliates         $ 7,775,000                    
Notes payable         11,000,000         11,000,000          
December 2016 NMTC Agreement | Potters Industries, LLC | Note payable I                              
Debt Instrument [Line Items]                              
Notes payable         7,775,000                    
December 2016 NMTC Agreement | Potters Industries, LLC | Notes payable II                              
Debt Instrument [Line Items]                              
Notes payable         1,402,000                    
December 2016 NMTC Agreement | Potters Industries, LLC | Notes payable III                              
Debt Instrument [Line Items]                              
Notes payable         1,823,000                    
December 2016 NMTC Agreement | USB Investment Fund                              
Debt Instrument [Line Items]                              
Proceeds from contributions from affiliates         $ 3,815,000                    
June 2017 NMTC Agreement | Potters Industries, LLC                              
Debt Instrument [Line Items]                              
Notes payable     $ 8,820,000             8,820,000          
Maximum indemnification liability                   24,649,000          
June 2017 NMTC Agreement | USB Investment Fund                              
Debt Instrument [Line Items]                              
Proceeds from contributions from affiliates     3,054,000                        
Notes payable     6,221,000                        
June 2017 NMTC Agreement | Community Reinvestment Fund, Inc.                              
Debt Instrument [Line Items]                              
Proceeds from contributions from affiliates     $ 9,000,000                        
Debt instrument, term     7 years                        
Term Loan | Term Loan Facility                              
Debt Instrument [Line Items]                              
Debt instrument face amount               $ 1,200,000,000              
Term Loan | Term Loan Facility | EURIBOR                              
Debt Instrument [Line Items]                              
Variable rate on spread               4.75%              
Term Loan | Term Loan Facility | USD                              
Debt Instrument [Line Items]                              
Debt instrument face amount               $ 900,000,000              
Long term debt outstanding                   916,153,000 925,430,000        
Term Loan | Term Loan Facility | Euro                              
Debt Instrument [Line Items]                              
Debt instrument face amount               300,000,000           € 265,000,000  
Long term debt outstanding                   335,808,000 297,317,000        
Unsecured Debt | Floating Rate Senior Unsecured Notes due 2022                              
Debt Instrument [Line Items]                              
Debt instrument face amount   $ 525,000,000           525,000,000              
Long term debt outstanding   78,792,000               0 525,000,000        
Debt extinguishment costs $ 6,043,000 32,284,000               47,875,000 0        
Deferred financing costs 108,000 696,000                          
Original issue discount 1,176,000 $ 7,555,000                          
Senior Notes | 6.75% Senior Secured Notes due 2022                              
Debt Instrument [Line Items]                              
Debt instrument face amount               $ 625,000,000              
Long term debt outstanding                   $ 625,000,000 625,000,000        
Debt instrument stated interest rate               6.75%   6.75%     6.75% 6.75%  
Senior Notes | 8.5% Senior Notes due 2022                              
Debt Instrument [Line Items]                              
Debt instrument face amount                             $ 200,000,000
Long term debt outstanding               $ 200,000,000   $ 0 $ 200,000,000        
Debt extinguishment costs 7,996,000                            
Deferred financing costs $ 5,207,000                            
Debt instrument stated interest rate                   8.50%     8.50%   8.50%
Line of Credit | Belfius Bank NV                              
Debt Instrument [Line Items]                              
Maximum borrowing capacity | €       € 14,500,000                      
Number of tranches | tranche       4                      
Line of Credit | Euro Roll-over Line of Credit Maturing December 2021 | Belfius Bank NV                              
Debt Instrument [Line Items]                              
Line of credit outstanding                   $ 7,201,000          
Debt instrument stated interest rate                   1.10%     1.10%    
Maximum borrowing capacity | €       € 7,500,000                      
Periodic principal payment | €       € 750,000                      
Line of Credit | Euro Roll-over Line of Credit Maturing December 2021 | Belfius Bank NV | EURIBOR | Minimum                              
Debt Instrument [Line Items]                              
Variable rate on spread       1.10%                      
Line of Credit | Euro Roll-over Line of Credit Maturing December 2021 | Belfius Bank NV | EURIBOR | Maximum                              
Debt Instrument [Line Items]                              
Variable rate on spread       1.55%                      
Line of Credit | Euro Roll-over Line of Credit Maturing September 2022 | Belfius Bank NV                              
Debt Instrument [Line Items]                              
Line of credit outstanding                   $ 3,601,000          
Debt instrument stated interest rate                   1.85%     1.85%    
Maximum borrowing capacity | €       € 3,000,000                      
Line of Credit | Euro Roll-over Line of Credit Maturing September 2022 | Belfius Bank NV | EURIBOR | Minimum                              
Debt Instrument [Line Items]                              
Variable rate on spread       1.85%                      
Line of Credit | Euro Roll-over Line of Credit Maturing September 2022 | Belfius Bank NV | EURIBOR | Maximum                              
Debt Instrument [Line Items]                              
Variable rate on spread       2.15%                      
Line of Credit | Working Capital | Belfius Bank NV                              
Debt Instrument [Line Items]                              
Line of credit outstanding                   $ 2,160,000          
Debt instrument stated interest rate                   0.90%     0.90%    
Maximum borrowing capacity | €       € 3,000,000                      
Line of Credit | Working Capital | Belfius Bank NV | EURIBOR | Minimum                              
Debt Instrument [Line Items]                              
Variable rate on spread       0.90%                      
Line of Credit | Working Capital | Belfius Bank NV | EURIBOR | Maximum                              
Debt Instrument [Line Items]                              
Variable rate on spread       1.20%                      
Line of Credit | CAPEX Line | Belfius Bank NV                              
Debt Instrument [Line Items]                              
Line of credit outstanding                   $ 1,200,000          
Debt instrument stated interest rate                   1.40%     1.40%    
Maximum borrowing capacity | €       € 1,000,000                      
Line of Credit | CAPEX Line | Belfius Bank NV | EURIBOR | Minimum                              
Debt Instrument [Line Items]                              
Variable rate on spread       1.25%                      
Line of Credit | CAPEX Line | Belfius Bank NV | EURIBOR | Maximum                              
Debt Instrument [Line Items]                              
Variable rate on spread       1.80%