Borrowings - Guarantees and Covenants (Details) - Senior secured term loan facility	Dec. 31, 2015
6.75% Senior secured first lien notes due 2020
Debt Instrument [Line Items]
Interest rate	6.75%
5.375% Senior secured first lien notes due 2023
Debt Instrument [Line Items]
Interest rate	5.375%
5.0% Senior secured first lien notes due 2024
Debt Instrument [Line Items]
Interest rate	5.00%