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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2012
Commitments and Contingencies  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
2013
$ 6.3
2014
5.9
2015
5.0
2016
4.0
2017
2.3
Thereafter
57.1
$ 80.6