Employee Benefit Plans (Details 1) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Other comprehensive income (loss)	$ 36.2	$ (31.4)	$ 41.7
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	140.4
Fair value of plan assets at end of year	171.7	140.4
Non-current liability	109.2	136.0
Other Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	0	0.7	0.9
Interest cost	1.0	1.3	2.0
Amortization and deferrals - net	(0.2)	(0.1)	(0.1)
Curtailment (benefit) loss recognized during the period	0.1	(2.4)	1.8
Settlement (gain) loss recognized during the period	(0.2)	0	1.4
Pension cost	0.7	(0.5)	6.0
Other comprehensive income (loss)	1.9	1.3	(3.1)
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	24.6	33.2
Service cost	0	0.7	0.9
Interest cost	1.0	1.3	2.0
Actuarial loss (gain)	1.1	(1.9)
Benefits paid	(6.1)	(6.2)
Curtailments	0.5	(2.5)
Benefit obligation at end of year	21.1	24.6	33.2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Employer contribution	(21.1)	(24.6)
Funded status	(21.1)	(24.6)
Current liability	8.8	6.2
Non-current liability	12.3	18.4
Accumulated other comprehensive income (loss)	2.3	4.1
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
2013	8.8
2014	2.0
2015	1.6
2016	1.3
2017	0.6
2018-2022	3.2
Total	17.5
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	3.7	2.8	2.6
Interest cost	11.6	12.0	12.1
Expected return on plan assets	(11.6)	(11.4)	(12.3)
Amortization and deferrals - net	17.2	8.7	6.6
Curtailment (benefit) loss recognized during the period	(0.2)	0	0
Settlement (gain) loss recognized during the period	6.8	0	6.8
Pension cost	27.5	12.1	15.8
Other comprehensive income (loss)	(11.8)	(29.5)	(1.3)
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	252.5	224.3
Service cost	3.7	2.8	2.6
Interest cost	11.6	12.0	12.1
Change in plan provisions	0	(1.0)
Actuarial loss (gain)	22.2	28.9
Benefits paid	(20.7)	(14.5)
Curtailments	(3.8)	0
Benefit obligation at end of year	265.5	252.5	224.3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	140.4	134.1
Actual return on plan assets	18.7	0
Employer contribution	(93.8)	(112.0)
Fair value of plan assets at end of year	171.7	140.4	134.1
Funded status	(93.8)	(112.0)
Non-current liability	93.8	112.0
Accumulated other comprehensive income (loss)	(102.4)	(114.1)
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
2013	39.0
2014	12.3
2015	13.4
2016	14.3
2017	15.7
2018-2022	85.3
Total	180.0
Other Pension Plans, Postretirement or Supplemental Plans, Defined Benefit [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	0	0.2	0.4
Interest cost	0.3	0.9	1.4
Expected return on plan assets	(0.5)	(0.5)	(0.6)
Amortization and deferrals - net	(5.5)	(4.0)	(0.7)
Curtailment (benefit) loss recognized during the period	(3.8)	0	0
Pension cost	(9.5)	(3.4)	0.5
Other comprehensive income (loss)	(8.3)	14.1	(2.0)
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	8.6	27.1
Service cost	0	0.2	0.4
Interest cost	0.3	0.9	1.4
Change in plan provisions	0	(16.8)
Actuarial loss (gain)	(0.8)	(1.8)
Benefits paid	(0.6)	(1.1)
Part D subsidy	0	0.1
Curtailments	(0.6)	0
Benefit obligation at end of year	6.9	8.6	27.1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	7.0	7.2
Actual return on plan assets	0.1	0.2
Employer contribution	(0.9)	(1.6)
Fair value of plan assets at end of year	6.0	7.0	7.2
Funded status	(0.9)	(1.6)
Non-current assets	1.8	3.3
Current liability	0.3	0.5
Non-current liability	2.4	4.4
Accumulated other comprehensive income (loss)	6.6	(14.9)
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
2013	0.5
2014	0.4
2015	0.5
2016	0.5
2017	0.5
2018-2022	2.5
Total	4.9
Minimum [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate -projected benefit obligation	3.00%	4.25%
Future compensation growth rate	4.00%	4.00%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - projected benefit obligation	4.25%	5.20%	5.50%
Future compensation growth rate	4.00%	4.00%	4.00%
Expected long-term rate of return on plan assets	7.50%	7.50%
Maximum [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate -projected benefit obligation	6.20%	7.80%
Future compensation growth rate	4.50%	5.50%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - projected benefit obligation	6.20%	7.80%	6.00%
Future compensation growth rate	4.50%	5.50%	5.00%
Expected long-term rate of return on plan assets	8.00%	8.00%	8.00%
Segment, Discontinued Operations [Member] | Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Pension cost	$ 1.6	$ 3.0	$ 1.6