Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2016

Post Retirement Benefit Plans

Defined Contribution Plan Disclosures [Table Text Block]

	Three Months Ended March 31,
	2016			2015
Components of net periodic benefit cost:
Service cost	$	0.1		$	0.1
Interest cost	2.7			2.7
Expected return on plan assets	(1.6		)	(1.8		)
Amortization of prior service cost	0.2			0.2
Net periodic benefit cost	$	1.4		$	1.2