Acquisition Acquisition - Intangible Assets Acquired (Details) - Pine State $ in Millions	Jun. 06, 2016 USD ($)
Business Acquisition [Line Items]
Intangible assets	$ 10.2
Customer relationships
Business Acquisition [Line Items]
Intangible assets	$ 7.2
Intangible assets, useful life	12 years
Non-competition agreements
Business Acquisition [Line Items]
Intangible assets	$ 1.9
Intangible assets, useful life	5 years
Trade Names
Business Acquisition [Line Items]
Intangible assets	$ 1.0
Intangible assets, useful life	2 years
Favorable lease terms
Business Acquisition [Line Items]
Intangible assets	$ 0.1
Intangible assets, useful life	2 years