Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2014

Retirement Plans

Components of net periodic benefit cost

	Pension Benefits
	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(in millions)	2014			2013			2014			2013
Service cost	$	0.9		$	1.1		$	2.7		$	3.3
Interest cost	1.9			1.7			5.8			5.2
Expected return on plan assets	(2.6		)	(2.7		)	(8.0		)	(8.0		)
Amortization of unrecognized loss	1.1			1.2			3.2			3.6
Net periodic benefit cost	$	1.3		$	1.3		$	3.7		$	4.1