Employee Benefit Plans Tables (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 0.4	$ 0.6	$ 1.2	$ 1.4
Expected return on plan assets	(0.5)	(0.6)	(1.7)	(1.6)
Amortization of net actuarial loss	0.1	0.1	0.4	0.3
Net periodic benefit cost	0	0.1	(0.1)	0.1
Other Post-Retirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	0	0.1	0.1	0.2
Amortization of prior service credit	0	(0.1)	0	(0.1)
Net periodic benefit cost	$ 0	$ 0	$ 0.1	$ 0.1