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Long-Term Debt (Schedule of Revolving Credit Facility) (Narrative) (Details) - USD ($)
12 Months Ended
Sep. 06, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Jul. 22, 2011
Debt Instrument [Line Items]          
Equity interest pledged in all domestic subsidiaries, percentage 100.00%        
Non-voting equity interest pledged in certain foreign subsidiaries, percentage 100.00%        
Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Borrowing capacity under credit facility $ 1,000,000,000.0   $ 700,000,000   $ 400,000,000
Capital expenditures to fixed charges ratio 100.00% 129.00% 115.00%    
Additional borrowings $ 250,000,000        
Threshold for line of credit facility percentage of asset based revolving credit facilities 10.00%        
Deferred financing costs capitalized   $ 600,000 $ 1,700,000 $ 4,900,000  
Equity interest pledged in foreign subsidiaries, percentage 65.00%        
UNITED STATES [Member] | Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Borrowing capacity under credit facility         630,000,000
Undrawn availability   239,100,000 257,700,000    
Europe [Member] | Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Borrowing capacity under credit facility         300,000,000
Undrawn availability   73,600,000 113,000,000    
CANADA [Member] | Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Borrowing capacity under credit facility         $ 70,000,000
Undrawn availability   34,800,000 54,300,000    
Minimum [Member] | Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Undrawn availability   $ 100,000,000 $ 100,000,000    
Threshold for line of credit facility borrowings $ 100,000,000        
Line of credit facility commitment fee, percentage 0.25%        
Maximum [Member] | Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Line of credit facility commitment fee, percentage 0.375%