XML 79 R65.htm IDEA: XBRL DOCUMENT v3.7.0.1
LONG-TERM OBLIGATIONS - 6% Senior Notes (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Jan. 31, 2017
Nov. 26, 2012
Nov. 13, 2007
Debt Instrument [Line Items]          
Repayments of debt $ 1,329.5 $ 166.1      
Senior Notes | 6% Notes          
Debt Instrument [Line Items]          
Interest rate (as a percent) 6.00%   6.00% 6.00%  
Long-term debt       $ 850.0 $ 800.0
Repurchased face amount of debt $ 850.0   $ 300.0    
Repayments of debt 887.2        
Repurchase premium 25.9        
Interest payable $ 11.3        
Senior Notes | 8% Senior Subordinated Notes          
Debt Instrument [Line Items]          
Interest rate (as a percent)         8.00%