Debt and Capital Lease Obligations (UPC Broadband Holding Bank Facility) (Narrative) (Details) - UPC Broadband Holding Bank Facility [Member] € in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
|
Dec. 31, 2014
USD ($)
|
Dec. 31, 2013
USD ($)
|
Dec. 31, 2012
USD ($)
|
Dec. 31, 2014
EUR (€)
|
Dec. 31, 2014
USD ($)
|
|
| Debt Instrument [Line Items] | |||||
| Portion of debt, default of which triggers event of default | € 50.0 | $ 60,500,000 | |||
| Gains (losses) on extinguishment of debt | $ (16,500,000) | $ (11,900,000) | $ (16,300,000) | ||
| Mandatory prepayment amount that does not trigger repayment | 100.0 | 121,000,000 | |||
| Write off of deferred debt issuance cost | 4,200,000 | 14,300,000 | |||
| Third-party debt modification costs | $ 0 | $ 7,700,000 | $ 2,000,000 | ||
| UPC Broadband Holding [Member] | |||||
| Debt Instrument [Line Items] | |||||
| Portion of debt, default of which triggers event of default | € 15.0 | $ 18,200,000 | |||