Leases and Commitments (Tables)

12 Months Ended

Dec. 31, 2014

Leases [Abstract]

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

Future minimum operating lease payments at December 31, 2014 were as follows:

(millions of dollars)
2015	$	26.8
2016	12.4
2017	11.8
2018	9.3
2019	8.3
After 2019	1.0
Total minimum lease payments	$	69.6