Annual report pursuant to Section 13 and 15(d)

Business and Summary of Significant Accounting Principles (Other Acquisitions) (Details)

v3.8.0.1
Business and Summary of Significant Accounting Principles (Other Acquisitions) (Details) - Series of Individually Immaterial Business Acquisitions
$ in Millions
12 Months Ended
Dec. 31, 2015
USD ($)
entity
Business Acquisition [Line Items]  
Number of businesses acquired | entity 3
Consideration transferred | $ $ 12.7