Quarterly report pursuant to Section 13 or 15(d)

Recent Accounting Pronouncements (Details)

v3.8.0.1
Recent Accounting Pronouncements (Details)
$ in Millions
Dec. 31, 2017
USD ($)
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]  
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals $ 404.7