Fair Value Measurements (Narrative) (Details)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Choice Acquisition [Member] | Significant unobservable inputs (Level 3) | Customer Relationships and Franchise Marketing Rights [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Discount rate	11.75%	12.25%
ITV Collar [Member] | Minimum [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Estimated volatilities	25.70%
ITV Collar [Member] | Maximum [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Estimated volatilities	29.90%