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Discontinued Operations (Details) - Discontinued Operations, Disposed of by Sale [Member] - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Assets of discontinued operations:
Current assets	$ 1.0	$ 1.0
Other assets	2.4	2.5
Liabilities of discontinued operations:
Current liabilities	$ 0.2	$ 0.1

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Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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