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Operating Leases (Tables)
12 Months Ended
Dec. 31, 2015
Leases [Abstract]  
Future minimum lease payments
Obligations to make future minimum lease payments at December 31, 2015, are presented below:
2016
$
20.7

2017
17.9

2018
16.9

2019
13.0

2020
10.0

2021 and thereafter
56.5

Total minimum lease payments
$
135.0