Acquisition - Intangible Assets Acquired (Details) - Pine State $ in Millions	Jun. 06, 2016 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 13.3
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 10.0
Useful Life in Years	13 years
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 0.5
Non-competition agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 2.8
Useful Life in Years	5 years
Minimum | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life in Years	1 year
Maximum | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life in Years	2 years