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Discontinued Operations (Details) - Discontinued Operations, Disposed of by Sale [Member] - USD ($)
$ in Millions
Mar. 31, 2016
Dec. 31, 2015
Assets of discontinued operations:    
Current assets $ 1.2 $ 1.1
Other assets 2.7 2.6
Liabilities of discontinued operations:    
Current liabilities $ 0.1 $ 0.2