Goodwill and Other Long-Lived Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 288,752	$ 161,616
Accumulated Amortization	(83,697)	(65,279)
Total	205,055	96,337
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	29,525	10,551
Accumulated Amortization	(6,604)	(4,086)
Total	22,921	6,465
Non-contractual customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	214,050	116,082
Accumulated Amortization	(61,153)	(48,821)
Total	152,897	67,261
Covenants not-to-compete
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,613	12,435
Accumulated Amortization	(6,997)	(4,779)
Total	15,616	7,656
Favorable lease assets
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	9,457	9,441
Accumulated Amortization	(5,751)	(5,440)
Total	3,706	4,001
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,377	1,377
Accumulated Amortization	(748)	(589)
Total	629	788
Franchise rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	11,730	11,730
Accumulated Amortization	(2,444)	(1,564)
Total	$ 9,286	$ 10,166