Leases (Tables)

12 Months Ended

Dec. 31, 2015

Leases, Operating [Abstract]

Summary of future minimum payments under noncancelable operating leases, barge charters and storage agreements

Future minimum payments under noncancelable operating leases with initial or remaining noncancelable lease terms in excess of one year as of December 31, 2015 are shown below.

	Operating Lease Payments
	(in millions)
2016	$	82.2
2017	87.9
2018	70.8
2019	58.3
2020	46.3
Thereafter	115.6
	$	461.1