Goodwill and Other Long-Lived Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 334,604	$ 161,616
Accumulated Amortization	(80,996)	(65,279)
Total	253,608	96,337
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	25,866	10,551
Accumulated Amortization	(5,328)	(4,086)
Total	20,538	6,465
Non-contractual customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	265,385	116,082
Accumulated Amortization	(61,093)	(48,821)
Total	204,292	67,261
Covenants not-to-compete
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	20,785	12,435
Accumulated Amortization	(6,083)	(4,779)
Total	14,702	7,656
Favorable lease assets
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	9,461	9,441
Accumulated Amortization	(5,644)	(5,440)
Total	3,817	4,001
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,377	1,377
Accumulated Amortization	(697)	(589)
Total	680	788
Franchise rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	11,730	11,730
Accumulated Amortization	(2,151)	(1,564)
Total	$ 9,579	$ 10,166