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Debt and Credit Agreements Schedule of Maturities of Long-term Debt (Tables)
12 Months Ended
Dec. 31, 2015
Schedule of Maturities of Long-term Debt [Abstract]  
Schedule of Maturities of Long-term Debt [Table Text Block]
Annual maturities are scheduled as follows based on the book value as of December 31, 2015.
2016
$
1.9

2017
323.3

2018
1.8

2019
1.8

2020
0.9

Thereafter
1,282.5

Total long-term debt
$
1,612.2