Employee Benefit Plans (Details 1) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation		$ 0.0	$ 2.6
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Settlement (gain) loss recognized during the period	$ 1.7
Other comprehensive income (loss)		(35.1)	(47.2)	$ (9.0)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year		150.5
Fair value of plan assets at end of year	150.5	157.2	150.5
Non-current liability	116.9	92.1	116.9
Other Pension Plan [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost		1.5	1.3	0.0
Interest cost		0.4	0.5	0.4
Defined Benefit Plan, Amortization of Gains (Losses)		0.0	0.0	0.2
Settlement (gain) loss recognized during the period		0.0	0.0	(0.3)
Pension cost		1.9	1.8	0.3
Other comprehensive income (loss)		(0.6)	(0.8)	(1.0)
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year		14.4	14.2
Service cost		1.5	1.3	0.0
Interest cost		0.4	0.5	0.4
Actuarial loss (gain)		(0.6)	0.8
Benefits paid		(2.0)	(2.4)
Benefit obligation at end of year	14.4	13.7	14.4	14.2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Employer contribution	(14.4)	(13.7)	(14.4)
Funded status	(14.4)	(13.7)	(14.4)
Current liability	(2.3)	(2.3)	(2.3)
Non-current liability	(12.1)	(11.4)	(12.1)
Accumulated other comprehensive income (loss)	(0.5)	1.1	(0.5)
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
2016		2.3
2017		3.3
2018		1.7
2019		1.7
2020		2.2
2021-2025		9.5
Total		20.7
Pension Plan [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost		7.5	7.1	5.0
Interest cost		10.5	10.5	10.8
Expected return on plan assets		(10.2)	(9.2)	(10.0)
Defined Benefit Plan, Amortization of Gains (Losses)		10.4	8.1	11.6
Settlement (gain) loss recognized during the period		0.0	4.6	13.4
Pension cost		18.2	21.1	30.8
Other comprehensive income (loss)		14.5	(23.4)	46.9
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year		259.6	228.1
Service cost		7.5	7.1	5.0
Interest cost		10.5	10.5	10.8
Actuarial loss (gain)		(16.2)	35.2
Benefits paid		(18.5)	(23.9)
Benefit obligation at end of year	259.6	242.9	259.6	228.1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year		150.5	162.9
Actual return on plan assets		(0.4)	7.9
Employer contribution	(109.1)	(85.7)	(109.1)
Fair value of plan assets at end of year	150.5	157.2	150.5	162.9
Funded status	(109.1)	(85.7)	(109.1)
Current liability	(5.6)	(6.4)	(5.6)
Non-current liability	(103.5)	(79.3)	(103.5)
Accumulated other comprehensive income (loss)	(78.9)	(64.4)	(78.9)
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
2016		17.0
2017		34.0
2018		35.1
2019		36.1
2020		36.1
2021-2025		106.2
Total		264.5
Other Pension Plans, Postretirement or Supplemental Plans, Defined Benefit [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Interest cost		0.2	0.2	0.2
Expected return on plan assets		(0.3)	(0.3)	(0.4)
Defined Benefit Plan, Amortization of Gains (Losses)		(0.7)	(1.0)	(3.8)
Curtailment (benefit) loss recognized during the period		0.0	(0.5)	(0.3)
Pension cost		(0.8)	(1.6)	(4.3)
Other comprehensive income (loss)		(0.7)	(1.8)	(2.0)
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year		4.5	4.5
Interest cost		0.2	0.2	0.2
Actuarial loss (gain)		(0.2)	0.1
Benefits paid		(0.3)	(0.3)
Benefit obligation at end of year	4.5	4.2	4.5	4.5
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year		4.2	4.9
Actual return on plan assets		0.1	0.1
Employer contribution	(0.3)	(0.8)	(0.3)
Fair value of plan assets at end of year	4.2	3.4	4.2	$ 4.9
Funded status	(0.3)	(0.8)	(0.3)
Non-current assets	0.3	0.0	0.3
Current liability	(0.1)	(0.1)	(0.1)
Non-current liability	(0.5)	(0.7)	(0.5)
Accumulated other comprehensive income (loss)	$ (2.8)	(2.1)	$ (2.8)
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
2016		0.3
2017		0.5
2018		0.5
2019		0.5
2020		0.5
2021-2025		1.3
Total		$ 3.6
Minimum [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate -projected benefit obligation	1.75%	3.61%	1.75%
Future compensation growth rate	2.87%	2.50%	2.87%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - projected benefit obligation		3.61%	1.75%	3.00%
Future compensation growth rate		2.50%	2.50%	4.00%
Expected long-term rate of return on plan assets		6.75%	6.75%	6.75%
Maximum [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate -projected benefit obligation	4.90%	5.56%	4.90%
Future compensation growth rate	4.00%	4.50%	4.00%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - projected benefit obligation		5.56%	4.90%	4.61%
Future compensation growth rate		4.50%	4.00%
Expected long-term rate of return on plan assets		7.00%	7.00%	8.00%