Debt and Capital Lease Obligations (UPC Holding Senior Notes) (Details) In Millions, unless otherwise specified	6 Months Ended									6 Months Ended
	Jun. 30, 2013 USD ($)	Mar. 26, 2013 UPC Holding 6.75% Euro Senior Notes [Member] USD ($)	Mar. 26, 2013 UPC Holding 6.75% Euro Senior Notes [Member] EUR (€)	Mar. 26, 2013 UPC Holding 6.75% CHF Senior Notes [Member] USD ($)	Mar. 26, 2013 UPC Holding 6.75% CHF Senior Notes [Member] CHF	Apr. 25, 2013 UPC Holding 8.0% Senior Notes [Member] USD ($)	Apr. 25, 2013 UPC Holding 8.0% Senior Notes [Member] EUR (€)	Apr. 25, 2013 UPC Holding 9.75% Senior Notes [Member] USD ($)	Apr. 25, 2013 UPC Holding 9.75% Senior Notes [Member] EUR (€)	Jun. 30, 2013 UPC Holding Senior Notes USD ($)	Jun. 30, 2013 UPC Holding 6.75% Senior Notes	Jun. 30, 2013 UPC Holding USD ($)	Jun. 30, 2013 UPC Holding EUR (€)
Debt Instrument [Line Items]
Outstanding principal amount		$ 585.3	€ 450.0	$ 369.9	350.0	$ 390.2	€ 300.0	$ 520.2	€ 400.0
Interest rate	5.25%	6.75%	6.75%	6.75%	6.75%	8.00%	8.00%	9.75%	9.75%
Gains (losses) on extinguishment of debt	(85.5)
Payments for debt redemption premium										35.6
Write off of unamoritized discount										24.5
Write off deferred financing costs										19.0
Interest costs incurred										6.4
Debt threshhold default in excess of which triggers event of default for aggregate debt												$ 65.0	€ 50.0
Percentage of aggregate debt instruments outstanding subject to redemption											40.00%
Additional basis points on discount rate used to calculate redemption premium on debt instrument											0.50%
Debt instrument redemption percent of principal amount outstanding											106.75%
Repurchase price											101.00%
2018											103.375%
2019											102.25%
2020											101.125%
2021 and thereafter											100.00%