Leases (Tables)

12 Months Ended

Dec. 31, 2016

Leases [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Minimum future obligations on leases in effect at December 31, 2016 were: 

	Operating
(in millions)	Leases
2017	$	9.9
2018	8.1
2019	6.4
2020	5.1
2021	4.9
Thereafter	30.3
Total minimum obligations	$	64.7