CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)	Dec. 31, 2015	Dec. 31, 2014	Apr. 02, 2014	Dec. 31, 2013	Nov. 15, 2013	Mar. 20, 2013
6.75% Notes
Stated interest rate	6.75%	6.75%	6.75%	6.75%	6.75%	6.75%
11% Notes
Stated interest rate	11.00%	11.00%		11.00%