Goodwill and Other Intangible Assets - Narrative (Details)	3 Months Ended
	Mar. 31, 2016
Weighted Average
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	6 years 6 months
Customer loyalty programs
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	7 years
Trademarks
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	3 years 9 months